Milwaukee County Sheriff David Clarke has resigned . Clarke rose to national prominence thanks to appearances on Fox News, where he often talked about police issues. He also supported President Donald Trump during the 2016 campaign due to Trump's strong views on law and order. But Clarke is a controversial figure and has faced scrutiny over management of the Milwaukee County Jail. Four people at the jail died over a six-month span last year. Those deaths include a newborn baby and a man who died of dehydration after spending seven days in solitary confinement without water. Clarke said in May that he'd be joining the Trump administration as a liaison at the Department of Homeland Security, but he later withdrew his name from consideration. SEE MORE: Sheriff David Clarke Says He's Joining The Trump Administration According to Newsy's partners as WTMJ, Clarke's resignation will take effect at 11:59 p.m. Thursday. It wasn't immediately clear why Clarke was resigning. Trending stories at Newsy.com Judge Pauses Sanctuary City Crackdown In Texas Flooding, Power Outage Cause Problems At Texas Chemical Plant The Hajj: Why Millions Of Muslims Travel To Mecca Every Year
Milwaukee County Sheriff David Clarke resigned Thursday, TODAY'S TMJ4 has learned. Milwaukee County Clerk George L. Christenson confirmed the news Thursday afternoon. His letter of resignation was received at 3:17 p.m.
NEW YORK, NY - NOVEMBER 28: Milwaukee County Sheriff David Clarke leaves Trump Tower on November 28, 2016 in New York City. President-elect Donald Trump and his transition team are in the process of filling cabinet and other high level positions for the new administration. (Photo by Spencer Platt/Getty Images)
MILWAUKEE -- Milwaukee County Sheriff David Clarke resigned Thursday, TODAY'S TMJ4 has learned.
Milwaukee County Clerk George L. Christenson confirmed the news Thursday afternoon. His letter of resignation was received at 3:16 p.m. You can read his resignation letter here.
There's no word yet on why the sheriff chose today to tender his resignation or what his next moves may be.
In a brief resignation letter, Clarke announced his resignation would be official as of 11:59 p.m.
"Pursuant to Wis. § Stat 17.01, this communication is submitted as the notice of my resignation as Sheriff of Milwaukee County commencing August 31, 2017 at 11:59 p.m." the letter read.
In June, the sheriff withdrew his name from consideration for an Assistant Secretary Position at the Department of Homeland Security after speculation he would fill that role.
The sheriff could not immediately be reached for comment.
Clarke rose to prominence as a national media figure during his tenure as sheriff of Milwaukee County, increasingly appearing on cable news outlets like FOX News to talk about police issues.
His tenure was not without controversy. In a span of six months in 2016, three people in custody died at the Milwaukee County Jail — as well as a newborn baby.
Clarke first won election to the position in 2002. He defended his post in elections in 2006, 2010, and 2014.
Check back often for updates on this developing story.