Suburban Search For Boston Marathon Bombing Suspects
/ CBS News
Members of a police S.W.A.T. team search through a neighborhood in Watertown as they search for 19-year-old bombing suspect Dzhokhar A. Tsarnaev on April 19, 2013 in Watertown, Massachusetts. (Photo by Spencer Platt/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Members of a police S.W.A.T. team search through a neighborhood in Watertown as they search for 19-year-old bombing suspect Dzhokhar A. Tsarnaev on April 19, 2013 in Watertown, Massachusetts. (Photo by Spencer Platt/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Members of a police S.W.A.T. team search through a neighborhood in Watertown as they search for 19-year-old bombing suspect Dzhokhar A. Tsarnaev on April 19, 2013 in Watertown, Massachusetts. (Photo by Spencer Platt/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
The Boston Harbor Cruises were shut down on the Long Wharf on April 19, 2013 in Boston, Massachusetts. (Photo by Kayana Szymczak/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
An entrance into Fenway Park is closed after the game between the Kansas City Royals and Boston Red Sox was canceled. (Photo by Kayana Szymczak/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
A posted sign is seen at a Starbucks in the financial district on April 19, 2013 in Boston, Massachusetts.(Photo by Kayana Szymczak/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Armed Boston Maritime Safety Security team members patrolled the Boston Harbor on April 19, 2013. (Photo by Kayana Szymczak/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
A U.S. military helicopter flies above Watertown Mall as law enforcement agencies search for 19-year-old bombing suspect Dzhokhar A. Tsarnaev on April 19, 2013 in Watertown, Massachusetts. (Photo by Mario Tama/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
A police SWAT team search houses for the second of two suspects wanted in the Boston Marathon bombings takes place April 19, 2013 in Watertown, Massachusetts. (Photo by TIMOTHY A. CLARY/AFP/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
A police SWAT team search houses for the second of two suspects wanted in the Boston Marathon bombings takes place April 19, 2013 in Watertown, Massachusetts. (Photo by TIMOTHY A. CLARY/AFP/Getty Images)
Searches in Watertown for Boston Marathon Bombing
File of searches in Watertown from 4/19/13. (Photo by Mark Katic/WBZ NewsRadio 1030)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Boston Mayor Thomas Menino (L, in wheelchair) speaks as Massachusetts Governor Deval Patrick (R), Boston Police Commissioner Ed Davis (L, behind Menino) and Watertown Chief of Police Edward P. Deveau (R, behind Patrick) listen at the Watertown Mall. (Photo by STAN HONDA/AFP/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
The Nashua (New Hampshire) Police Department SWAT team prepares in the Watertown Mall. (Photo by STAN HONDA/AFP/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
The Cape Cod Police Department SWAT team search houses for the second of two suspects wanted in the Boston Marathon bombings takes place April 19, 2013 in Watertown, Massachusetts. (Photo by TIMOTHY A. CLARY/AFP/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
The Cape Cod, Massachusetts, Police Department SWAT team search houses for the second of two suspects wanted in the Boston Marathon bombings. (Photo by TIMOTHY A. CLARY/AFP/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
A Massachusetts state trooper watches other troopers line up at the Watertown Mall as a search for the second of two suspects wanted in the Boston Marathon bombings takes place April 19, 2013 in Watertown, Massachusetts. (Photo by STAN HONDA/AFP/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
The Nashua (New Hampshire) Police Department SWAT team prepares in the Watertown Mall. (Photo by STAN HONDA/AFP/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
The Cape Cod, Massachusetts, Police Department SWAT team search houses for the second of two suspects wanted in the Boston Marathon bombings. (Photo by TIMOTHY A. CLARY/AFP/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
The Cape Cod, Massachusetts, Police Department SWAT team search houses for the second of two suspects wanted in the Boston Marathon bombings takes place April 19, 2013 in Watertown, Massachusetts. (Photo by TIMOTHY A. CLARY/AFP/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
A National Guard helicopter prepares to land behind the Watertown Mall. (Photo by STAN HONDA/AFP/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
A Boston SWAT team member takes up a position as they search for 19-year-old bombing suspect Dzhokhar A. Tsarnaev on April 19, 2013 in Watertown, Massachusetts. (Photo by Mario Tama/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Members of a SWAT team search for 19-year-old bombing suspect Dzhokhar A. Tsarnaev on April 19, 2013 in Watertown, Massachusetts. (Photo by Mario Tama/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Boston Police detective searches outside of South Station for suspicious material after two bullets were found outside of the T stop. (Photo by Kayana Szymczak/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
A police car is seen outside of South Station on April 19, 2013 in Boston, Massachusetts. (Photo by Kayana Szymczak/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
A Boston Police officer and detective search South Station for suspicious material after two bullets were found outside of the T stop on April 19, 2013 in Boston, Massachusetts. (Photo by Kayana Szymczak/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Members of a SWAT team search for 19-year-old bombing suspect Dzhokhar A. Tsarnaev on April 19, 2013 in Watertown, Massachusetts. (Photo by Mario Tama/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
South Station in Boston, Massachusetts was shut down and heavily guarded with police in response to the shootings in Cambridge and Watertown, on the morning of April 19, 2013. (Photo by Kayana Szymczak/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Police monitor a locked down street as a search for the second of two suspects wanted in the Boston Marathon bombings takes place in Watertown, Mass. (Photo by STAN HONDA/AFP/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Residents leave Norfolk Street as Federal agents descend on the home of a suspect-at-large in the Boston Marathon bombing and nearby Watertown shooting, on April 19, 2013 in Cambridge, Massachusetts. (Photo by Darren McCollester/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Police monitor a locked down street as a search for the second of two suspects wanted in the Boston Marathon bombings takes place on April 19, 2013 in Watertown, Massachusetts. (Photo by STAN HONDA/AFP/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
A police helicopter flies over a neighborhood as a search for the second of two suspects wanted in the Boston Marathon bombings takes place April 19, 2013 in Watertown, Massachusetts. (Photo by STAN HONDA/AFP/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Residents and their pets are evacuated as members of the FBI, State Police, Boston Police, Cambridge Police, and other law enforcement agencies, survey the perimeter near the home of suspect #2 on Norfolk Street April 19, 2013 in Cambridge, Massachusetts. (Photo by Jared Wickerham/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Federal agents gather by the home of a suspect-at-large in the Boston Marathon bombing and nearby Watertown shooting, on Norfolk Street April 19, 2013 in Cambridge, Massachusetts. (Photo by Darren McCollester/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Federal agents descend on the home of a suspect-at-large in the Boston Marathon bombing and nearby Watertown shooting, on Norfolk Street April 19, 2013 in Cambridge, Massachusetts. (Photo by Darren McCollester/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Federal agents descend on the home of a suspect-at-large in the Boston Marathon bombing and nearby Watertown shooting, on Norfolk Street April 19, 2013 in Cambridge, Massachusetts. (Photo by Darren McCollester/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Police search for one remaining suspect at an apartment building where a resident reported finding drops of blood on April 19, 2013 in Watertown, Massachusetts. (Photo by Mario Tama/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
A Massachusetts State Police officer checks the bag of a cyclist during heightened security on April 19, 2013 in Watertown, Massachusetts. (Photo by Mario Tama/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Members of the FBI, State Police, Boston Police, Cambridge Police, and other law enforcement agencies, survey the perimeter on April 19, 2013 near the home of suspect #2 on Norfolk Street in Cambridge, Massachusetts.(Photo by Jared Wickerham/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Members of the FBI, State Police, Boston Police, Cambridge Police, and other law enforcement agencies, put up police tape securing a perimeter in front of a woman being questioned by the FBI on April 19, 2013 near the home of suspect #2 on Norfolk Street in Cambridge, Massachusetts. (Photo by Jared Wickerham/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Members of the FBI, State Police, Boston Police, Cambridge Police, and other law enforcement agencies, survey the perimeter on April 19, 2013 near the home of suspect #2 on Norfolk Street in Cambridge, Massachusetts. (Photo by Jared Wickerham/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Residents of an apartment building watch as members of the FBI, State Police, Boston Police, Cambridge Police, and other law enforcement agencies, survey the perimeter on April 19, 2013 near the home of suspect #2 on Norfolk Street in Cambridge, Massachusetts. (Photo by Jared Wickerham/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
A woman reacts while being questioned by the FBI and other law enforcement agencies while residents look out of their windows on April 19, 2013 near the home of suspect #2 on Norfolk Street in Cambridge, Massachusetts. (Photo by Jared Wickerham/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
A dog sniffs equipment before Massachusetts Governor Deval Patrick spoke to the media at a shopping mall on the perimeter of a locked down area as a search for the second of two suspects wanted in the Boston Marathon bombings takes place on April 19, 2013 in Watertown, Massachusetts. AFP PHOTO/Stan HONDA (Photo by STAN HONDA/AFP/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Onlookers take pictures as they watch from windows while SWAT team members search for one remaining suspect at a neighboring apartment building on April 19, 2013 in Watertown, Massachusetts. (Photo by Mario Tama/Getty Images)
Bomb Squad Watertown
Bomb Squad in Watertown (Photo by Karen Twomey/WBZ NewsRadio 1030)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Metro SWAT members hang off the back of a truck as they prepare to search the School and Walnut Street neighborhood for one remaining suspect on April 19, 2013 in Watertown, Massachusetts. (Photo by Darren McCollester/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Police convene on School and Walnut Street on April 19, 2013 in Watertown, Massachusetts. (Photo by Darren McCollester/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Metro SWAT members hang off the back of a truck as they prepare to search the School and Walnut Street neighborhood for one remaining suspect on April 19, 2013 in Watertown, Massachusetts. (Photo by Darren McCollester/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
SWAT Teams converge in Watertown. (Photo by WBZ-TV)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Boston Police mobilize in the parking lot of the Watertown Mall on April 19, 2013 in Watertown, Massachusetts. (Photo by Jared Wickerham/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Police descend on School and Walnut streets to conduct a massive search for one remaining suspect in the Boston Marathon bombing April 19, 2013 in Watertown, Massachusetts. (Photo by Darren McCollester/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Police convene on School and Walnut Street on April 19, 2013 in Watertown, Massachusetts. (Photo by Darren McCollester/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Police on School and Walnut Street on April 19, 2013 in Watertown, Massachusetts. (Photo by Darren McCollester/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Boston Police mobilize in the parking lot of the Watertown Mall on April 19, 2013 in Watertown, Massachusetts. (Photo by Jared Wickerham/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Boston Police mobilize in the parking lot of the Watertown Mall on April 19, 2013 in Watertown, Massachusetts. (Photo by Jared Wickerham/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Boston Police mobilize in the parking lot of the Watertown Mall on April 19, 2013 in Watertown, Massachusetts. (Photo by Jared Wickerham/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Boston Police Commissioner Edward Davis speaks during a media briefing in the parking lot of the Watertown Mall on April 19, 2013 in Watertown, Massachusetts. (Photo by Jared Wickerham/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Police investigate the scene where a Massachusetts Institute of Technology campus police officer was shot and killed at the campus. (Photo by Mario Tama/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Police with guns drawn during the search for a suspect on April 19, 2013 in Watertown, Massachusetts. (Photo by Mario Tama/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Police descend on School and Walnut Street chasing possible suspects in the marathon shooting April 19, 2013 in Watertown, Massachusetts. (Photo by Darren McCollester/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Police set up a perimeter outside the Arsenal Mall as they pursue possible suspects following a spate of shootings on April 19, 2013 in Watertown, Massachusetts. (Photo by Darren McCollester/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Police descend on School and Walnut Street chasing possible suspects on April 19, 2013 in Watertown, Massachusetts. (Photo by Darren McCollester/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Boston Police gather in the parking lot in front of a Best Buy store on April 19, 2013 near the Watertown Mall in Watertown, Massachusetts. (Photo by Jared Wickerham/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Boston Police Commissioner Edward Davis speaks during a media briefing in the parking lot of the Watertown Mall on April 19, 2013 in Watertown, Massachusetts. (Photo by Jared Wickerham/Getty Images)
One Boston Marathon Bombings Suspect On Run, Other Suspect Dead
Boston Police gather in the parking lot in front of a Best Buy store, near the Watertown Mall on April 19, 2013 in Watertown, Massachusetts. (Photo by Jared Wickerham/Getty Images)