Philip Markoff

Philip Markoff at his arraignment. (Photo by Mark Garfinkel-Pool/Getty Images)

BOSTON - APRIL 21: Philip H. Markoff, a Boston University medical graduate student, stands during his arraignment at Boston Municipal Court April 21, 2009 in Boston, Massachusetts. Markoff, 22, is accused of murdering masseuse Julissa Brisman of New York City in a Boston luxury hotel. (Photo by Mark Garfinkel-Pool/Getty Images)

Markoff's Alleged Gun

Authorities allegedly found this gun in a hollowed-out Gray's Anatomy book. (Photo by Kate Merrill)

Markoff's alleged gun

Authorities allegedly found this gun in a hollowed-out Gray's Anatomy book. (Photo by Bernice Corpuz)

Markoff's Alleged Gun

Authorities allegedly found this gun in a hollowed-out Gray's Anatomy book. (Photo by Bernice Corpuz)

Craigslist Evidence

The Gray's Anatomy textbook investigators say was used to hide the murder weapon. (Photo by Bernice Corpuz)

Markoff's Phones

Markoff allegedly purchased several pre-paid phones. (Photo by Bernice Corpuz)

Markoff's IDs

Markoff had several IDs he used during his alleged crime spree. (Photo by Bernice Corpuz)

Photo Board of Evidence

The DA displayed a photo board showing the evidence collected, as well as Markoff's booking photos. (Photo by Chris Gobeille)

Photo Board

The DA displayed a photo board showing the evidence collected, as well as Markoff's booking photos. (Photo by Bernice Corpuz)

Boxes of evidence

The DA claims he had a strong case against Markoff. (Photo by Bernice Corpuz)

Files

(Photo by Bernice Corpuz)

The DA displayed dozens of files in the case.

Photo Board of Evidence

The DA displayed a photo board detailing the evidence against Markoff. (Photo by Bernice Corpuz)

Evidence in the case against Markoff

Authorities accumulated a large amount of evidence, including several ID's and a hollowed-out textbook. (Photo by Kate Merrill)

Suffolk DA Dan Conley

DA Dan Conley presents the evidence in the case against Markoff. (Photo by Bernice Corpuz)

The DA's Presentation

The DA explains using PowerPoint slides how Markoff attained his gun license. (Photo by Bernice Corpuz)