robert davis and his friend kevin marsh knew them as aggressive troublemakers at high school. >> peopleraid of them, we just -- they come through the hallway, people would just move out the way for them, try not to be around them. they were always rude to people. they seemed like the world owed them something. >> reporter: and kevin's friend, the shy and awkward robert, seemed to be a favorite target. >> they used to pick on him all the time. they called him retarded, fat, ugly, stupid. >> robert said he tried to ignore it, but they knew his vulnerabilities. >> you know i tried to keep my distance from him when i could. and stay cordial wherever i -- we were in close proximity to each other. >> reporter: safer that way, said robert. in any case, the detectives paid a visit to the fugett's house, where they learned enough to march the pair down to police headquarters two days later for questioning. and rocky admitted, he was there, to rob the place. >> i was in the house. >> i know you were in the house. >> i started out downstairs. jessica went upstairs first. i was supposed to just wat