 
 <translate> The relevant information is: William Laws Calley Jr. (born June 8, 1943) is a former United States Army officer convicted by court-martial of murdering 22 unarmed South Vietnamese civilians in the My Lai Massacre on March 16, 1968, during the Vietnam War. So, the answer is William Laws Calley Jr.. <hau> Bayanin da ya dace shine: William Laws Calley Jr. (an haife shi a ranar 8 ga Yuni, 1943) tsohon jami'in Sojan Amurka ne wanda kotun soji ta yanke masa hukuncin kisan gillar fararen hula 22 na Kudancin Vietnam a cikin kisan kiyashi na My Lai a ranar 16 ga Maris, 1968, a lokacin Yakin Vietnam. Don haka, amsar ita ce William Laws Calley Jr.. 