California Man Charged with Parents' Decapitation Sings After Police Shooting

Joseph Gerdvil, 41, faces homicide charges after allegedly killing his elderly parents and their dog in San Juan Capistrano.

Police discovered the decapitated bodies of Ronald and Antoinette Gerdvil and their dog in their mobile home.
Joseph Gerdvil sent graphic images of the crime to a relative, prompting a call to authorities.
Gerdvil was found driving a golf cart and threw a shovel at police before being shot.
Body cam footage shows Gerdvil singing love songs after being shot by officers.
He is currently hospitalized in serious but stable condition and faces life imprisonment if convicted.