Digital evidence leads to clues in deaths of two friends who were drugged and dumped outside LA hospitals by masked men

This story originally aired on April 15, 2023.

Hilda Marcela Arzola-Plascencia, a doctor in Durango, Mexico, was used to handling medical emergencies. But nothing prepared her for the call she got about her eldest daughter and namesake Hilda Marcela Cabrales.

Dr. Hilda Marcela Arzola-Plascencia: I received the phone call in the middle of the night saying that she was so ill, she was very bad, she was intubated.