 Although he was diagnosed with borderline personality disorder, schizotypal personality disorder, and a psychotic disorder, Dahmer was found to be legally sane at his trial.He was convicted of 15 of the 16 murders he had committed in Wisconsin, and was sentenced to 15 terms of life imprisonment on February 15, 1992.Dahmer was later sentenced to a 16th term of life imprisonment for an additional homicide committed in Ohio in 1978.