MICHAEL K. WILLIAMS DEAD AT 54
Michael K. Williams -- best known for his breakout role as Omar Little on "The Wire" -- is dead from a suspected drug overdose .
According to law enforcement sources ... Williams was found dead in his Brooklyn apartment Monday after a relative hadn't heard from him in a couple days and went to check on him.
After years of minor roles on TV and movies, Williams became a household name as Omar -- the gritty, streetwise and homosexual criminal on HBO's "The Wire" ... earning him critical acclaim and adoration from fans.
Williams would go on to star in several other hit HBO series' -- like "Boardwalk Empire," "The Night Of" and more recently "Lovecraft Country" -- as well as movies like "12 Years a Slave" and "Assassin's Creed."
One of the actor's trademarks was his signature ...