CHICAGO (WLS) -- Chicago police released photos of two men wanted in connection with a double murder on the city's Southwest Side.

Police say one of them robbed a jewelry store in Little Village on Saturday.

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Surveillance video shows the man in the Blackhawks hoodie walking into the store.

A short time later, he runs out as two men chase after him.

That's when he pulled out a gun, shooting and killing 63-year-old Faustino Alamo Dominguez and his son, 25-year-old Luis Alamo.

There's a $20,000 reward for information leading to an arrest.

Police asked anyone with information to contact them at 312-746-8252 or submit an anonymous tip to CPDTIP.com.

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