User blog comment:Leon Davis/GTA V The Best and Worst/@comment-1612856-20140907185454/@comment-25261281-20140907193157

It does but if you do a quick save once you have the Lazer and lost your wanted level, reload your game save and you'll be able to get achievements. When you trigger a cheat achievements are locked for the rest of your game session (reload your game save and everything's fixed).