Jarrod M. Petrelli/funeral home photo

Jarrod M. Petrelli died young, and he died suddenly.

The St. Louis FBI agent, who was 34, about to turn 35, died at a training conference in Florida, the St. Louis Post-Dispatch reported.

The paper reported that he died last week of natural causes.

He worked violent gangs during his four year career.

To read more click here.