Johnathan Zamudio, 32, of Glenpool is charged with first-degree murder in the Aug. 20 slaying of Keith Boswell in front of the Family Dollar store at 340 East Side Blvd., according to documents filed with the case.
Zamudio and Boswell were allegedly involved in an altercation inside the store, which spilled outside the store, where Zamudio allegedly stabbed Boswell multiple times.
Police used video from the store to identify him as the suspect.
Boswell later died from the wounds.
Zamudio was previously convicted of three felonies: placing bodily fluid on a government employee in 2008, for which he received a two-year suspended sentence; assault and battery with a dangerous weapon in 2016, for which he received a four-year suspended sentence; and placing bodily fluid on a government employee in 2017, for which he received a two-year sentence in prison.
He is due back in court on September 5 for a sounding docket.