MSNBC Dateline December 22, 2019 09:04:00
Because he had a big gash in the back of his head. i went to the kitchen phone and called 911. >> reporter: when she rolled him over, she could see wounds all across his chest. he'd been stabbed many times. >> every time i started doing cpr to him, every time i'd breathe into him, i could hear bubbling. air escaping. then i started to -- feeling it on his chest. >> reporter: it's not often little placentia, california, has a murder. >> 10:00 p.m. when i got the call. >> reporter: at the time, aaron wyatt was the sole homicide detective. what did the crime scene itself look like? >> it was pret...