EMBED >More News Videos The hunt is on to find the gunman seen in a shooting posted on Snapchat.

HOUSTON, Texas (KTRK) -- Houston police and Crime Stoppers are offering a reward for information leading to an arrest after a man was seen firing a gun near the Heights.Detectives returned to Cottage Grove Park on Tuesday to find clues related to the shooting."Myself and Detective Morrison will also walk the area and see if there's any available surveillance footage," Det. Chris Persad said.In the video posted on Snapchat, you can see the suspect firing a gun."It just makes me really nervous that just down the street at the park where a lot of people walk, there could be someone standing in open air with a gun," Marianna Corcoran said.Anyone with information is asked to contact the Houston Police Department or Crime Stoppers. A $5,000 reward is being offered for information leading to an arrest.