An arrest warrant also reveals that the suspect, Mayra Velasquez, was close friends with victim Irasema Chavez before the 2012 stabbing.

“Nothing we announce today can return Celestina to the children who grew up without their mother or erase the grief her family has carried for 31 years.” The post ‘There is no longer any mystery’: Prosecutors say DNA helped solve young mother’s 1995 slaying appeared first on Boston.

It's one thing to have blood, semen or saliva and a potential suspect identified against whom to compare it. A DNA test would simply show whether it's a match or not.

For more than a decade, one question remained unanswered: Who killed Irasema Chavez? Now, Arlington police and the FBI say advances in DNA technology have led to a major break in the 2012 cold case. Authorities announced the arrest of 42-year-old Mayra Velasquez,

New DNA testing has identified a suspect in the 1995 killing of Springfield mother Celestina Perez, closing a 31-year cold case.

The case has mystified investigators and historians for over a century.

After 246 years, Pvt. John Pumphrey is unknown no more. Through DNA testing and old-fashioned sleuthing, the Maryland teenager who died in one of the last big battles of the American Revolution can now take his place in history.

Authorities have identified a suspect in a decades-old cold case in Springfield.

Alex Murdaugh's defense wants Othram, the DNA lab that helped crack the Bryan Kohberger case, to test unknown male DNA found under his wife's fingernails.

The Nancy Guthrie case has DNA evidence at five separate labs. A forensic science expert just explained what that means. Arizona State University forensic science professor April Stonehouse explained on Brian Entin's Nancy Guthrie special that DNA evidence ...

A 14-year-old homicide investigation in North Texas has taken a dramatic turn after advances in forensic DNA technology led authorities to arrest a woman in connection with the fatal stabbing of a 32-year-old Arlington resident,