Overview

• Police responded around 1 p.m. on June 19 to a Nandina Drive apartment where they found a 24-year-old man fatally shot and Kamari Marzittie wounded in the leg
• Investigators charged Marzittie, 25, with capital murder after determining he and the victim were involved in a high-risk drug deal robbery
• Five suspects, including Dayton Allen’s cousin Diamond Curttie and Shannon Steele, were arrested this week for the Nov. 23 double homicide of Allen and his girlfriend Alexis Tyler at an Arlington Airbnb
• Surveillance footage indicates the suspects tracked the couple from Dallas to Arlington before opening fire with modified handguns over a money dispute
• Arlington Police combined cell phone records, witness interviews and search warrants to link individuals to both shootings and build capital murder cases