Everybody loves free stuff, right? But what if it’s medical supplies you didn’t ask for and don’t actually need? And what if a company keeps sending you stuff after you ask it to stop? Oh — one little detail: it’s not free and you’re left footing part of the bill. That’s what fueled a health care fraud investigation back in 2015. It started when two insurance carriers filed complaints with a federal watchdog, alleging a medical equipment company was inappropriately billing patients