just 12 months. >> it is minimal. it's like being a disturbance in your neighborhood. it's not holding your child hostage for an hour. >> dwight was also committed to a mental institution for evaluation. connie remembers the report on dwight said he was not an imminent threat. >> but, the psychiatrist that evaluated him called me and told me that he was dangerous and that i should get a body guard. >> enter him? >> enter richard england. >> connie hired rick, the cop turned private investigator, to do surveillance on dwight. and to assess how much of a threat he posed. rick and his team tailed dwight, took photos and video of him. they also combed through dwight's cluttered debris- filled room in the family's home. and found some books with seriously disturbing titles. >> how to get even with people. how to injure people in street