matched perfectly the descriptions of the suspected attacker here in rancho bernardo park. old, was behind bars. >> how did he react to being arrested? >> very unhappy. he believed the accusations were false. >> detectives pat o'brien and mark palmer confronted him in an interrogation room. >> we believed we hoped that chelsea was still alive someplace, so we kept asking, where is chelsea king? >> how did he respond to that? >> he denied everything. he denied ever coming into contact with her. he basically said the only information he had was from the television. >> we were able to say, we have your dna. >> we approached him with the dna and he called us liars. >> he was all over the place. calm one minute, angry one minute, on the verge of crying the other minutes. >> we thought part of it was humorous to him and part of it was offensive. how dare we even consider him as a suspect. he made it perfectly clear that he hated law enforcement. he said he was treated poorly while he was in the department of corrections and hated cops for that reason. >> gardner had been arrested