DETROIT A Detroit man is facing up to 20 years in prison for threatening to kill Michigan Gov. Gretchen Whitmer and Attorney General Dana Nessel while messaging an acquaintance on social media, officials said. LATEST: Whitmer says strong COVID-19 actions have paid off, but will take economic tollRobert Sinclair Tesh, 32, of Detroit, sent a social media message to an acquaintance on April 14 that was determined to be a credible threat to kill Whitmer and Nessel, according to authorities. Detroit police arrested him later that day at his home in the 2100 block of Jefferson Avenue. READ: Protesters rally against Michigan stay-at-home order: Shes treating us like were small childrenRobert Sinclair Tesh (WDIV)The alleged facts in this case lay out a very disturbing scenario," Wayne County Prosecutor Kym Worthy said.