Enemy Territory (1987, Paul Manooglian)
When a desk jockey wanders off the beaten path in search of commission, all bets are off.
Recommending this mother right here. Decently paced urban thriller as a hapless boob is pitched into a high rise to hell, I should write these for a living really ...
Slightly of its period, but you all know the score. Tim Kincaid had a hand in it. More from him laterer.