hands and wanted to catch him. >> then there appears to be a break with the case with the arrest of ed humphrey wanted it to be him. i wanted to think that that person couldn't do that again. >> during the first week, an fbi representative came to help us. the fbi has a program called vicap, violent crime apprehension program. the investigator fills out information about the victim, the crime scene. when you have something similar to that that's been reported somewhere else in the nation, it kicks out. >> they actually got a hit in shreveport, louisiana. >> shreveport, louisiana, was a laid-back town. country people. it wasn't uncommon for people to leave their house unlocked when they would go out, leave keys to their cars under the front seat. >> in early november 1989, there was a horrific crime. triple murder, the grissom family. >> investigators found 55-year-old william grissom, his 24-year-old daughter, and 8-year-old grandson stabbed in their home. >> my name is scott grissom. my dad tom grissom, had a sister, julie grissom, and my son, sean thomas grissom, were all murdered on november