One man is behind bars after a Clay County K-9 led investigators to find a mask and firearm that may have been used in an Excelsior Springs burglary.

The two test guns used with the Mask HD included a 4.4" barrel Walther PPQ 22 pistol and a Smith & Wesson M&P 15-22 MOE with a 16.1" barrel. Both guns arrive from the factory with suppressor-ready ...