A man who was shot Friday at an Allen apartment complex died of his injuries, police say.
The shooting was reported shortly before 1 p.m. at the Gates of Allen Station in the 500 block of East Exchange Parkway, near North Greenville Avenue.
Ryan Joseph Kelly , 39, of Allen died of his injuries early Saturday, police said.
Police determined four people had gone to the apartment where Kelly was to buy drugs. Kelly was shot following an argument.
After the shooting, officers saw four people trying to leave the area in a black sedan at high speed. Three of the four were taken into custody, and the fourth ran away, police said.
Richard Anthony Valentine, 32, of Dallas has been charged with murder.
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Leroy Alvin Walls, 22, of Dallas was charged with marijuana possession. Walls also had outstanding warrants from the Dallas Police Department.
The third person who was taken into custody was questioned and released.
The fourth person remained at-large Saturday. Police did not have a detailed description of him, but said they were working to develop several leads into his location and identity.
In a notice to residents, the Gates at Allen Station asked residents to shelter in place until police have cleared the area.
Allen High School, Lowery Freshman Center and Dillard Center were placed on lockout while police investigated.
The lockout was lifted about 3:30 p.m., however, the district released a map and said that students who live in a certain area should communicate with their guardian before going home. Bus transportation was also suspended for that area.
Anyone with information about the case may call Investigator Michael Canon at 214-509-4244. Anonymous tips may also be sent to the Allen Police Department by texting ALLENPD and your tip to 847411.