[ male announcer ] call today and get adt installed starting at $99. helping protect your business, is our business. adt. always there. samantha scheibe and mason describe as zimmerman alone and fascinated by guns. she feared him but stayed with him because she thought she could help him. she reached out to me to do an interview three weeks ago. she said she and george had an argument over her demand he get professional help over his depression. >> george zimmerman's girlfriend described him as depressed and fascinated by guns but the man that shot trayvon martins and found not guilty has defenders.