F.B.I. was mentored by bassist Frank Bitterman. The 1995 mini-album 'Hell On Wheels' included some notable guest session players including GAMMA RAY and PRIMAL FEAR vocalist Ralph Scheepers, SINNER guitarist Armin Sabol, Mats Ulmer on keyboards and the McAULEY SCHENKER GROUP and CRAAFT credited drummer Bodo Schopf.

Limited to 500 copies, 'Hell On Wheels' included a cover version of AC/DC's 'Live Wire'.