1.   A total nut job.

2.   But thanks to some old-fashioned detective work, Sipowicz and Sorenson coerced a dope-smoking nut job who had it in for prostitutes to confess.

3.   It takes a nut job, as far as I am concerned.

4.   That nut job down the street probably slipped them a chocolate mickey!

5.   Was he a complex guy or just a troubled nut job who came up with some great groundbreaking anti-comedy before imploding his career?