INDIANAPOLIS (AP) — The body of notorious 1930s gangster John Dillinger is expected to be exhumed in September from a concrete-encased grave at an Indianapolis cemetery more than 85 years after he was killed by FBI agents outside a Chicago theater.

The upcoming exhumation could put to rest conspiracy theories suggesting that the violent criminal some people considered a folk hero during the height of the Great Depression isn't even buried in his marked grave.

The Indiana State Department of Health approved a permit July 3 sought by Dillinger's nephew, Michael C. Thompson, to have the body exhu...