MIT Police Officer
Jurors were shown a dramatic video Thursday of a carjacking victim escaping from Dzhokhar Tsarnaev and his brother days after the attacks.
The Massachusetts Institute of Technology, where Sean Collier worked and died, held a remembrance ceremony Friday and unveiled plans for a permanent memorial.
Slain Massachusetts Institute of Technology police officer Sean Collier was remembered Wednesday for his dedication to law enforcement and his love of people as thousands gathered at a campus memorial.
Vice president Joe Biden joined thousands of police officers, students, family and friends at a memorial service Wednesday for slain MIT police officer Sean Collier.