beginning in 1998, matheny was president and founder of advanced protective services, inc. aps, inc. specialized in private investigations, executive protection, electronic surveillance and counter-surveillance, training and security consulting to a number of prominent corporations doing business in the nashville, tennessee area and employed approximately thirty full-time, armed guards and about "250 police officers in an off-duty, uniformed capacity." matheny later retired from aps, inc. and sold this business during august, 2002.