detectives had their suspected, james biela in custody. hn michael wits, with the conclusion of the night breonna vanished. >> at the police station biela wouldn't talk. he was charged with kidnapping, three counts of sexual assault plus with the murder of breonna. now, detectives were finally able to make that phone call that they promised they would make to breonna's mother, brigitte. >> adam called me, i was at home. he said, we have him. can you come down? >> and, you're feeling what then? pity? hatred? >> relief. that he would now be off the streets. >> detectives had made another promise. this one to biela's girlfriend. they said they would let her know the results of her son's dna test. when they told her that her son's dna was a close match to the dna of the color, she came to the police station. there, police cameras captured an incredible moment, as horrible as it is remarkable. >> down the hall, detectives were glued to the monitor. >> it's gut wrenching. she begs him to convince her that it's not him. >> and he never does it. >>