Photo: Jason Koerner/Getty

MIAMI BEACH, FL - JUNE 13: Kaalan “KR” Walker attends the opening night screening of “Superfly” at the FIllmore Miami Beach during the 22nd Annual American Black Film Festival on June 13, 2018 in Miami Beach, Florida. (Photo by Jason Koerner/Getty Images)

SuperFlyactorKaalan “KR” Walkerwassentenced Monday to 50 years to life in prisonafter being convicted of raping four women and three teenage girls he met on social media, the Los Angeles County District Attorney’s Office confirms to PEOPLE.

Per the service, Deputy District Attorney Cynthia Wallace said she considers the actor to be “truly a predator.”

Amanda Edwards/Getty

CULVER CITY, CA - JUNE 10: Actor Kaalan “KR” Walker arrives at a special screening of “SuperFly” hosted by Sony Pictures Entertainment at Sony Pictures Studios on June 10, 2018 in Culver City, California. (Photo by Amanda Edwards/Getty Images)

The jury found Walker not guilty of one count of digital penetration and two counts of forcible rape.

“You’re going to see a dark side of him,” Deputy District Attorney Yasmin Fardghassemi said in her opening statement in March, City News Service and NBC Los Angeles reported.

Starting in 2013, Walkerused Instagram and Twitter to contact women— including aspiring models — on social media, promising them opportunities for professional work and to meet celebrities, prosecutors said, perRolling Stone.

Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up to date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories.

Over a two-year span, Walker would get the women alone and then sexually assault them, police said.

“When they said, ‘Stop,’ he didn’t care,' " Fardghassemi said at the time, according to City News Service and NBC Los Angeles.

Walkerwas first arrested in Van Nuysin 2018, after authorities connected him to the chain of sexual assaults, according to a news release from Los Angeles Police Department.

Walker made his film debut inKings, starringHalle BerryandDaniel Craig, before landing a two-episode arc on the drama television seriesIn Contemptand a role in the remake of the 1970s thrillerSuperFly.

RELATED VIDEO: Harvey Weinstein Sentenced to 23 Years in Prison After Rape and Sex Assault Convictions

He is also known for his career as a rapper, with his EPThe Intermissionreleased in 2017.

At the time, he said his client was “portrayed as a monster” and planned to appeal.

source: people.com