decided to, you know, look a little deeper. >> so she ended it. and as she did, she warned whomever she could about reginald. even one of his other girlfriends. >> watch out for this guy. he's bad news and he's cheating on you. >> yeah, they were in communication about reginald. >> nailah told andre that when reginald found out, he wasn't happy. >> he got wind of that and reached out to nailah in a threatening manner. >> sent her nasty e-mails and voice mails. >> did she worry about that a lot? >> she didn't exhibit any worries to me about it. >> but she must have been you worried. you detectives found a report that nailah had called a nonemergency police phone number, asked about filing an order of protection against a threatening ex-boyfriend. she mentioned mr. potts.