Irvin Cartagena is one of four men charged in connection with the star's 2021 death.
The drug dealer involved in the actor's 2021 overdose death will serve time in prison.
Irvin Cartagena pleaded guilty to conspiracy to distribute heroin, fentanyl, and fentanyl analogue.
The Emmy-nominated actor died on Sep. 6 after ingesting fentanyl-laced heroin and cocaine.
ET spoke to Boyega at the 2022 ESPY Awards Wednesday night.
In the latest episode of 'Red Table Talk,' the women of 'RTT' speak to Williams' nephew about the actor's fatal overdose.
The Justice Department announced the charges Wednesday after unsealing the criminal complaint.
The actor's final documentary project will premiere on VICE TV on Jan. 10.
The actor died after ingesting fentanyl-laced heroin and cocaine, according to the chief medical examiner.
The actor wasn't at the ceremony to accept the award, but remembered Williams in a statement posted to Twitter on Monday.
Michael K. Williams was honored at the 73rd Primetime Emmy Awards, less than two weeks after his tragic death.
ET spoke with the two 'Lovecraft Country' stars about how they were honoring their late co-star at Sunday's Emmys.
The Emmy-nominated actor died on Sep. 6.
ET caught up with Rosie Perez on the red carpet at the 73rd Primetime Emmy Awards, airing Sunday on CBS and Paramount+.
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