Rushmore McKenzie mysteries

When a man in a truck dumps a body out onto the road in front of unlicensed P.I. Rushmore McKenzie's car, which results in a 37-car pile-up, McKenzie's former partner asks him for help in identifying the victim and finding out who dumped her on the freeway and why.

Reluctantly investigating a cold-case murder as a favor for his stepdaughter, millionaire detective Rushmore McKenzie discovers links to a second killing before a series of suspicious coincidences reveals the activities of a dangerous adversary.

The friends of a former St. Paul police detective try to figure out what he was investigating when he was shot and lapsed into a coma.