"In Park City, the suspect's neighbors said he helped elderly neighbors with yard work but described him as an unpleasant man who often went looking for reasons to cite his neighbors for violations of city codes.
Bill Lindsay, 38, lived behind Rader and said his wife caught Rader in their adjoining backyards filming the back of their house.
"He really acted really funny," said Lindsay, a truck driver. "I'd be on the road and my wife would tell me, 'Dennis has been out again, taking his pictures.'"
Jason Day, 28, said his brother was in Rader's Cub Scout pack at the nearby Park City Baptist Church, but their mother pulled him out because of Rader."Interesting to note that they caught him because his daughter allowed them to test her DNA.
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