New York state filed civil charges accusing Endo International Plc of insurance fraud for misrepresenting the safety and efficacy of the company’s opioid drugs, adding fuel to the nation’s opioid crisis.

Medical diagnostic firm PerkinElmer Inc. faces a federal investigation into the company’s role in an alleged Medicare fraud involving tens of thousands of unnecessary genetic cancer tests, according to three sources with knowledge of the probe and documents reviewed by Reuters.

Frank Reynolds, the founder and former chief executive officer of PixarBio, was sentenced to seven years in prison for defrauding investors.

The Federal Trade Commission filed a complaint in federal court against Vyera Pharmaceuticals, the company formerly known as Turing Pharmaceuticals that Martin Shkreli founded, alleging an “elaborate anticompetitive scheme to preserve a monopoly” on Daraprim.

Federal authorities charged 10 former National Football League players for allegedly defrauding a healthcare program of more than $3.4 million by filing false claims for expensive medical equipment.

Two former executives of biotech company MiMedx Group Inc. were criminally charged with fraudulently inflating the company’s revenue.

Martin Shkreli will remain in prison until he has completed his sentence as the U.S. Supreme Court refused to overturn his seven-year conviction for securities fraud.

One year after his arrest, PixarBio CEO Francis Reynolds was convicted of defrauding investors of $12.7 million.

Martin Shkreli will continue to reside in federal prison after the notorious “Pharma Bro” failed to win an appeal to his 2017 criminal conviction for securities fraud and conspiracy to commit fraud.

Dozens of medical professionals in Appalachia – a region hard-hit by the U.S. opioid crisis – were charged with writing hundreds of thousands of illegal prescriptions and committing health care fraud, federal prosecutors said.