Rae Sremmurd’s 19-year-old brother has officially been arrested for the murder of their stepfather, Floyd Sullivan.

According to a press release from the Tupelo Police Department, Michael Sullivan, the half-brother of Swae Lee and Slim Jxmmi was the prime suspect in the fatal shooting of his father.

After the murder, Michael was reportedly being held for a psychiatric evaluation. Upon his release from the psychological care facility, he was arrested for murder Tuesday (Jan. 7) night.

The police say they were called to the scene of the shooting Monday (Jan. 6) night. Floyd was found dead from apparent gunshot wounds. Michael was placed a person of interest and no other suspects were identified.

Swae Lee took to Twitter to pray for compassion in this tough time. In one tweet, he tweeted heartbroken emojis. He tweeted, “I pray this world let’s me keep some compassion” followed by, “I’ve been tested my whole life.”

Swae also took to his Instagram account to post about his stepfather’s death. “Life has a crazy way of making sure your still on your toes,” he wrote on his Instagram story. “OG Gone live forever.”

The group recently celebrated the 5th anniversary of their debut album, SREMMLIFE. Slim Jxmmi took to Instagram to salute the album’s release. He wrote, “It’s the 5th anniversary of SremmLife” and posted the album’s cover.

Swae Lee has a solo album in the works and just announced that he will be joining Post Malone and Tyla Yaweh on the “Runaway Tour.” The tour kicks off on Feb. 4 in Omaha, Nebraska and will go until Mar. 21 in Salt Lake City, Utah. Swae says that he will release his solo album once World War III ends. “I’ll drop my album after the war ✌ praying for the troops,” he wrote in an Instagram post.