The FBI is looking into what Johnson & Johnson knew about the risks posed by a surgical tool, according to a report by the WSJ.
Get the best of CNBC in your inbox
Dan Mangan is a reporter covering health care for CNBC.com.
Meg Tirrell joined CNBC in April 2014 as a general assignment reporter focusing on biotechnology and pharmaceuticals.
Bertha Coombs is a general assignment reporter for CNBC, covering financial markets and business news stories.