People (especially cops) carrying heavy gear can throw off your posture/alignment/gait very easily & it get's worse over time. Things like good shoes are so important. Plenty of things MAY help: change the wt/position of the gun/wallet, whatever is throwing you out of alignment, a Chiro/PT (physical therapy), changing the way you walk (smaller strides) is hard but can help greatly. Knowing what is causing the problem is the first big step. Good luck.