in houston, where a parolee, with a monitor, murdered his mother. and, in california, a gps tracked sex offender pled guilty to multiple sex crimes on a hiking trail. >> i think whether this type of technological solution makes us safer. and in my experience and based on my study, i don't see that it does. >> ohio's drc declined our request for an interview, citing pending litigation. the tokes family sued for wrongful death but the case was dismissed. >> they had this monster in their grasp and their control, and they let him slip through. >> to know that this continues to go on, and will continue to go on until they change, the way the system currently is. it's maddening. and you can't put a price tag on innocent, human life. you just can't. >> this pain is something i