Keyanna Cherrell Gardiner, 29, was killed on March 19, 2016, in Baytown, Texas. She was asleep in the passenger seat of an SUV around 3 a.m. when her ex-husband, Allen Dale Edwards, shot into the vehicle during a confrontation and struck her in the chest. Gardiner died at the scene; she was a mother of two.

According to accounts, Gardiner and a friend drove to Edwards’ home that night and someone allegedly threw an aerosol can to break a window. Edwards chased the SUV in his vehicle, fired at it through his driver’s side window causing the driver to crash, then approached and fired at least one more shot into the SUV. The driver was punched and later required hospitalization and reconstructive surgery. A Harris County Precinct 8 Constable’s Office deputy in the area arrested Edwards, who was charged with murder.

What details about the confrontation, or about Edwards and Gardiner’s custody disputes, might help explain how events escalated to this fatal shooting? If anyone knew them or witnessed the incident, please share what you know.