SAN ANTONIO -

Testimony is scheduled to begin Tuesday in the trial of a man charged in the death of his former girlfriend in 2009.

Jon Thomas Ford, 44, was arrested in 2010 and charged with killing Dana Clair Edwards. 

Edwards was found dead in her townhome in 2009. 

According to the Bexar County Medical Examiner, she was strangled.

San Antonio police said surveillance video showed an SUV they believed belong to Ford arriving and leaving Edwards' complex the night of the murder.

Edwards' murder was the first murder in San Antonio in 2009.