Suspect in deadly shooting of nurse facing federal charges MNPD James Edward Cowan named as suspect in Caitlyn Kaufman murder. br Photo provided by Metro Nashville Police Department Posted at 9:19 PM, Jan 19, 2021 and last updated 2021-01-19 22:20:37-05 NASHVILLE, Tenn. (WTVF) â The suspect in the deadly shooting of Nashville nurse Caitlyn Kaufman is now facing federal drug and gun charges. U.S. Attorney Don Cochran announced the charges Tuesday against 28-year-old James Edward Cowan, who was also known as James Lillard. Cowan was charged with being a convicted felon in possession of a firearm, possessing a firearm in furtherance of a drug trafficking crime, and possession with intent to distribute a controlled substance.