>> gang members often use such codes to trigger criminal activity like drug deals or even hits on rival members. so officer rodriguez decides that all of perales' mail will be further examined for further additional codes or incriminating information. >> it's very possible that she may have some negative involvement in the letters she's receiving but at this point it's too early to tell which way we're going on this. so we'll continue the investigation and see how far we get. >> coming up -- >> according to the letter this was on there. what does this mean? >> peggy perales is confronted about her mail. >> and -- >> i saw myself on the news and they're saying all these horrible things against me. >> two brothers are charged with chilling crimes and find themselves suspected of even more sinister acts. but there will still be pain. it comes when your insurance company says they'll only pay three-quarters of what it takes to replace it. what are you supposed to do? drive three-quarters of a car?