WAGONER COUNTY, Oklahoma - Murder charges have been filed against three people in Wagoner County.  Authorities have two suspects in custody and are looking for a man named Tommy Tecumseh, who faces a first-degree murder charge. 

Broken Arrow Police said their investigation began in late 2019 they received word of an assault that led to the death of 39-year-old Robert Trevor Richardson. The investigation led to murder charges against Martha C. Simpson, Tommy Glen Tecumseh, and Jabaica Lee Tecumseh.

Police said the three suspects are related. 

Investigators said Simpson and the two men killed Richardson on July 7 in her Broken Arrow home in the 1600 block of North 26th Place. Simpson told police in an interview that the two men beat Richardson up, and she stabbed him, according to court documents.

The three are also charged with desecration of a human corpse by disposing of his body in an unknown rural area, records show. Richardson’s remains have not yet been located. 

Simpson and Jabaica Tecumseh have both been arrested. Authorities have issued a warrant for the arrest of Tommy Tecumseh. 

The investigation is still ongoing. If you know where Tommy Tecumseh is, you're asked to call Broken Arrow Police.