Crime Stoppers is raising the reward from $5,000-$15,000 for a man wanted for killing to store clerks on June 3. The store clerks names are Shahzad Quraishi, and Mohammad Zubair. Police say Zubair called 911 during the incident and was able to give a description of the suspect before passing away. On Wednesday, June 3 around 8:20 AM a man described as a black male around 20 or 21 years old came in to the convenience store and tried to rob them. Multiple gunshots were fired striking both men. Police have a sketch of what they think the gunman looks like and need the public's help to bring him to justice.