Member of the Cullen Davis criminal defense team.
- Mentored by Richard “Racehorse” Haynes from Houston, Steve directed the investigation and acted as one of the four trial lawyers who successfully defended Mr. Davis in three high profile trials, including capital murder charges and solicitation of capital murder charges, which resulted in an acquittal of Mr. Davis on all charges.
- Five books chronicle Steve’s work on the cases, including Texas v. Davis by Mike Cochran and Blood Will Tell by Gary Cartwright, as well as a made for television movie and an hour feature on the A&E Criminal Justice series.
- Fort Worth, Tarrant County District Attorney Tim Curry: “The man who won the case for them was Steve Sumner…They put Priscilla [Davis] on trial and Steve was the one coming with all the dirt. Whatever they paid him, it wasn’t enough.” (as quoted in Texas v. Davis, p. 529).