Who Killed Detroit?: Other Cities Beware!
Johannes Spreen, BS, MPA and Ph. D. (ABD) was in law enforcement from 1941-1985 rising to NYC command of operations, Detroit Police Commissioner 1968-1970 and then sheriff of Oakland County.Diane Holloway, Ph.D., Dallas psychologist, coordinated the first Dallas police assessment center and was the first Dallas "Drug Czar."