You can best figure out why you've had a plateau, by checking out this video and deciding which part of this program you're not "All-In" with. Change that, and it will change you.
Lots of additional free information at my website, which is designed specifically to help First Responders with their fitness. Sign up to receive instant access to an exclusive video titled, the 5 things a First Responder needs to know to lose weight at http://www.firstresponder5.com