Robin Warr Lawrence was 37 years old in 1994 when someone broke into her Virginia home and stabbed her 49 times ... killing her and leaving her 2-year-old daughter alone for two days until a neighbor discovered her body.

Summer McKesson’s quest for answers to her medical condition would unearth a family secret – and a doctor’s decades-old deception that has ensnared multiple families across the country.

Once an antibody latches on to a pathogen, broadly neutralizing antibodies inactivate it (as their name implies). This is typically because these antibodies bind to a site that’s necessary for a protein’s function. For example, broadly neutralizing antibodies to HIV bind to the proteins that help this virus enter immune cells.

An international research team led by Hiroki Shibuya at RIKEN Center for Biosystems Dynamics Research (BDR) in Japan has solved a genetic mystery and revealed a previously unknown way that DNA can control what cells do.

Your pet is your best friend, but how well do you really know them? By giving the gift of Embark’s dog DNA tests or investing in one for your own family, you’ll get to know your right-hand man, your four-legged lady or your paw-some pal on a cellular level.

Robert Koehler, 66, is facing new charges in a case that dates to 1984. He is accused of breaking into a townhome in Miami-Dade and kidnapping and sexually assaulting a woman. Miami-Dade sheriff's deputies recently solved the case after linking Koehler's DNA to the victim, who is not identified in court records.

A major development in the manhunt to find the four people who robbed the Louvre Museum in Paris has been revealed. According to French police, two traces of DNA were found in one of the helmets and one of the gloves the suspects left behind at the scene of the crime.

Survivors of Jacob W. Lucien, 57, may contact NOPD's Sex Crimes unit at 504-658-5523 or call 911 to report crimes.