garri garrido's first wife, christine murphy, speaking out for the first time, describes him as a monsterbe the way it used to be. before phillip garrido. >> reporter: garrido also testified in that 1977 trial that intense drug use stimulated his sexual addictions. he says he cruised neighborhoods as a peeping tom, driving around town exposing himself in public places, including schools. he also testified that he often fantasized by raping women. but he says after turning to god, he started to feel ashamed of his actions. murphy says, sex issues caused her marriage with garrido to fall apart. >> i never got pregnant. and i always thought he couldn't have children. >> what happened to your marriage? >> well, it fell apart. because of his neediness for x sex. >> reporter: investigators now say they have found no connection between garrido and a string of murders back in the 1990s that happened near his workplace, but authorities are still looking in to whether garrido is responsible for the disappearance of two young girls near antioch, california. several of garrido's neighbors are raising