DOJ successfully prosecutes not only the owners and operators but also the managers of a California ambulance company sending them all to prison.

Continued crack down on Medicare fraud and EMS providers.  This one is somewhat unusual in that management level individuals and not just the owners were sentenced to prison.  Once again, this involved billing for medically unnecessary transportation. 

Full DOJ press release here http://www.justice.gov/opa/pr/southern-california-ambulance-company-owner-operator-and-managers-sentenced-prison-medicare