brian bates and jimmy justice use their video cameras out in plain sight, looking for that big "gotchayou're about to meet never wanted to catch anything like that. and hers is a very personal story. jackie taylor installed a security system, so-called granny cams, in her house, when her elderly father became bedridden. the cameras were meant to give her peace of mind. but what they recorded did anything but that. 90-year-old john taylor, a stroke victim, lies defenseless, as his nurse repeatedly beats him over and over again. >> she just was angry right from the beginning, shaking her finger at him, pounding him in the chest and his stomach. >> john's daughter, jackie, catches it all on a security camera, she installed on her home to be her eyes and her ears while she's away. >> of course, anger and shock immediately. >> the vicious beating sickness jackie not only because of the cruelty but this was a woman she trusted. a woman she considered a friend. >> she would say, jackie, you're like a daughter to me. you know, mother's day, i bought her flowers, things of that nature because e