Police in Columbia have arrested a 19-year-old man in connection with a deadly shooting that left a young resident dead earlier this week. Authorities say Damarius Kavanaugh, also of Columbia, was taken into custody on March 5 following the fatal shooting of 20-year-old William Riechers. The tragic incident has shaken the local community, as investigators continue working to understand what led to the violence.
According to the Columbia Police Department, officers responded to reports of gunfire around 3:48 p.m. on March 4 near the intersection of Allen and Bryant streets. When officers arrived at the scene, they found Riechers suffering from a gunshot wound. Emergency medical crews quickly began providing life-saving treatment while officers secured the area.
Despite the efforts of first responders, Riechers’ injuries were too severe. Authorities confirmed that he was pronounced dead shortly after emergency crews attempted to save him. News of his death has left family members, friends, and community residents mourning the sudden loss of a young life taken too soon.
Investigators say Kavanaugh was arrested the following day and now faces several serious charges under Missouri law. The charges include second-degree murder, armed criminal action, unlawful possession of a firearm, unlawful use of a weapon, and first-degree tampering with physical evidence. Officials have not yet released details about what may have led to the shooting.
Police said detectives spent hours processing the crime scene and collecting evidence as part of the investigation. Officers canvassed the neighborhood, spoke with potential witnesses, and worked to gather information that could help determine exactly how the events unfolded. Authorities emphasized that the case remains active as investigators continue reviewing evidence and interviewing individuals connected to the incident.
Officials are urging anyone who may have information about the shooting to come forward. Community members can contact the Columbia Police Department directly at 573-874-7652. Anonymous tips can also be submitted through CrimeStoppers by calling 573-875-8477 or online. Authorities say people who provide information that leads to an arrest may be eligible for a reward of up to $2,500. The case is being investigated under case number 2026-001925 as police continue seeking answers.