Glenn Helzer "The Children of Thunder" who along with his deceased brother Justin and girlfriend Dawn Botman murdered five people including Selina Bishop, the daughter and ex-wife of Blues legend Elvin Bishop. 8 1/2" x 11" three page handwritten letter written on the back of what appears to be notes typed up by Taylor Helzer. Hand signed in full at the close, Glenn Taylor Helzer. Includes the original San Quentin State Prison NSF stamped envelope postmarked May 29, 2012 with 7 lines of address written by Helzer, beautifully hand signed in full, Glenn Taylor Helzer.