Investigators at the Special Victims Unit say through modern DNA analysis they have been able to make an arrest in the 12-year-old rape case.
On February 1, 1998, A 15-year-old girl was raped by two men. she was walking with a male friend around midnight near 20th and Sedgley in North Philadelphia.
The friend was robbed while the attack took place. Police say DNA was collected and an unidentified John Doe profile developed.
Capt. John Darby of the Philadelphia Police details what happened on July 2009: ""
The match identified 33-year-old Calvin Gadson of North 43rd Street.
Darby says Gadson's DNA was in the national database from prior convictions for robbery and weapons offenses. In October, armed with a search warrant, police got a swab from Gadson. It was a match and he was arrested on January 4th.
Unlike TV shows this case wasn't solved in an hour. It was a long and complicated scientific process but police believe they have their man. They say the victim, who is now about 27, was elated to learn of the arrest.
There was a second rapist and police are still working to find him.
