Greaves is best known for his Jack MacTaggart series of legal mysteries, which are set in Los Angeles, where Greaves practiced law for 25 years.

[1] The Jack MacTaggart series consists of four books: Hush Money (2012), Green-Eyed Lady (2013), The Last Heir (2014), and The Chimera Club (2022).

As of 2023, he has also written three standalone novels: Hard Twisted (2012), Tom & Lucky and George & Cokey Flo (2015), and Church of the Graveyard Saints (2019).

Raised in Levittown, New York, Greaves graduated with honors from both the University of Southern California and Boston College Law School.

In 2015, The Wall Street Journal included Tom & Lucky and George & Cokey Flo on their list of the year's best books.