On October 17, 2010, a prisoner named Mohebullah was shot and killed inside a jail cell at a United States military outpost in Afghanistan. Army officials described the detainee as a suspected Taliban commander. Private First Class David Lawrence, a U.S. Army soldier on guard duty, unlocked the cell door, entered, and shot Mohebullah once with his M-4 rifle from a few feet away.
Lawrence acknowledged that the shooting was deliberate and not an act of combat. He told the military court that he had acted out of anger, and prosecutors said he had positioned himself for the killing by arranging his guard shift and waiting until another guard stepped away. The chief prosecutor characterized the act as a cold, calculated killing carried out apart from any battlefield engagement. The defense presented evidence about Lawrence's mental state: he had undergone conflicting evaluations, one concluding that he suffered from schizophrenia and post-traumatic stress disorder and another finding no severe mental illness. Prosecutors noted that Lawrence did not report hearing voices to Army officials until after the shooting.
On May 25, 2011, a U.S. military court at Fort Carson, Colorado, convicted Lawrence of premeditated murder after he entered a guilty plea. Although the sentence was framed as life with the possibility of parole, a pretrial agreement with the installation's commanding general capped his confinement at 150 months, about twelve and a half years, with eligibility for parole after four years. Lawrence was also dishonorably discharged and reduced in rank to the lowest enlisted grade. He was sent to the military prison at Fort Leavenworth, Kansas.
The plea agreement drew attention because it resolved a case involving a soldier in his early twenties whom the Army's own doctors had, in at least one evaluation, diagnosed with serious mental illness. In October 2011, following a clemency request from Lawrence's attorney, the Army reduced his confinement by two and a half years.
The case became a reference point for questions about the intersection of combat stress, mental illness, and military justice, particularly in light of the conflicting psychiatric assessments and the defendant's age. Because Lawrence pleaded guilty and was convicted, the matter is legally resolved: the record reflects a single adjudicated defendant, David Lawrence, and a single victim, Mohebullah, whose killing in custody moved from an Afghan detention cell to a court-martial and sentencing in Colorado.