Officers are looking for Michael Shay Graves, who's also known as Michael McGill.
He's wanted on a probation violation warrant for an assault family violence charge from June of last year.
Police say Graves may be armed and dangerous.
One of two suspects involved in Monday's fatal shooting of the owner of "Mo's" grocery on Iowa Park Rd. has been arrested.
Yesterday evening, police arrested 17-year-old Clifton John Russell IV.
His bond is set at 1.5 million dollars.
Surveillance video shows two suspects entering Mo's grocery, and one man points what appears to be a gun at Muhammad Ahmad.
Police say Ahmad was shot once in the chest.
He was transported to the hospital, but died from his injuries.
Remember, police are still searching for a second suspect in this capital murder case.
Investigators have been working about 20 hours each day in search of the second suspect.
If you have any information that can help them, even the smallest detail, just call Crime Stoppers at 322- 9888.