Martha Johnson is an American female and suspected serial killer convicted of murdering one of her children and suspected of killing her other three children. She later admitted to killing a second child, but denied killing the other two. Johnson was released from prison in 2020.
 
8 1/2" x 11" two page handwritten letter hand datred February 12, 2012 and hand signed, Martha.
Includes the prison stamped envelope postmarked February 13, 2012 with 8 lines of handwritten address by Johnson, and hand signed, Martha Johnson.