(computer) LieutenantMichaelR Harrigan: ..violence prone, obsessive/compulsive personality,... ..a history ofexcessive physicalforce... ..throughouthis 18years as a Los Angeles police offcer.

Lieutenant Michael R Harrigan: violence prone, obsessive/compulsive personality, a history of excessive physical force throughout his 1 8 years as a Los Angeles police officer.

It's an obsessive-compulsive disorder where the person can't stop eating the ends of their own hair.