CODIS, which stands for “Combined DNA Index System,” is a database consisting of DNA from convicted offenders, unsolved crime scene evidence and missing people.

The Bexar County Sheriff’s Office made a significant breakthrough in a yearlong murder investigation that had seen little progress. It was DNA in a federal system that led to Stacey Dramiga's alleged killer.

Scientists from a university are filtering Mexico City's waters for traces of the DNA of an endangered salamander, the axolotl.

Scientists have pinpointed how sperm and egg fuse together across the animal kingdom, from fish to people.

California authorities have captured four suspects in multiple break-ins at homes around South Lake Tahoe: a mama bear and three of her cubs.

The story of how scientists discovered DNA's shape may be getting another twist.

SAN ANTONIO – A 29-year-old Bexar County man was sentenced Monday to 20 years in prison for sexually abusing a 10-year old girl. Justin Anthony Gonzales was sentenced during a virtual hearing held via Zoom, the Bexar County District Attorney’s Office said. According to an arrest affidavit, the victim reported to an elementary school teacher that she was sexually assaulted by Gonzales in January and February of 2019. Law enforcement officials collected evidence, including the girl’s clothing and bedding, the arrest affidavit said. Investigators obtained a search warrant for Gonzales’ DNA, which matched with the evidence.