ARLINGTON, Texas — The Arlington Police Department has arrested a suspect in the 2017 murder of Justin Dotson, who was found shot to death in his apartment. Devin Cameron-Mack, a 29-year-old already in custody for an unrelated crime, has been charged with capital murder.
On October 4, 2017, officers responded to a shooting at an apartment complex on Valleywood Drive, where they discovered Dotson unresponsive with a gunshot wound. He was pronounced dead at the scene. Investigators believe the murder occurred during an attempted robbery linked to suspected narcotics activity, according to a press release from the Arlington Police Department.
During the initial investigation, crime scene investigators collected various pieces of evidence, including a blood stain that DNA testing later revealed did not belong to Dotson. The DNA profile was uploaded to the Combined DNA Index System (CODIS) but did not match any profiles at the time. In November 2025, detectives received a CODIS hit linking the DNA to Cameron-Mack.
Detectives attempted to interview Cameron-Mack, who denied involvement in the murder. A search warrant for an additional DNA sample confirmed the match to the crime scene evidence. After consulting with the Tarrant County District Attorney’s Office, detectives filed criminal charges. Cameron-Mack remains in custody at the Tarrant County Jail.