Thomas Miguel Guerra (born February 23, 1985), also known as Ashton Lucian Chavez and Tomii Guerra,[1] is an American landscape architect who became the first person in the state of California to be convicted for intentionally infecting another individual with HIV. In 2015 prosecutors in the San Diego County Superior Court presented 11,000 text messages and 36 audio clips to support their case against Guerra. Since then, Guerra has been accused of intentionally exposing dozens of other men to HIV.[2][3][4] Guerra is the great-nephew of labor leader and civil rights activist Cesar Chavez.[1][5][6]