A man was shot and killed Friday afternoon following an argument during a drug deal, officials say.
Around 1 p.m., Allen police were called to the 500 block of E. Exchange Parkway at the Allen Station apartments in response to shots fired.
Allen High School and Lowery Freshman Center were both placed on lockout as officers were called to the shooting scene.
When officers arrived, they saw four people attempting to leave the scene in a black sedan. Officers were able to take three into custody, as the fourth fled on foot.
During the course of the investigation, officers learned that the four suspects came to the location to purchase drugs, when an argument began and led to the fatal shooting.
Allen police identified the shooting victim as 39-year-old Ryan Joseph Kelly of Allen, Texas.
Allen police said 32-year-old Richard Anthony Valentine was arrested and charged with murder, and 22-year-old Leroy Alvin Walls was arrested and charged with possession of marijuana. The third person that was taken into custody was questioned and released.
Police said Walls also had warrants out of Dallas County.
Police are still searching for the fourth suspect.
Anyone with information regarding the incident is asked to call Investigator Michael Canon with Allen police at 214-509-4244. You can also send an anonymous tip via text to the Allen Police Department by texting the keyword ALLENPD and your tip to 847411.
This is a developing story and will be updated. For more breaking news coverage, download the all-new WFAA app.