Basketball legend and activist LeBron James is searching for answers following the tragic death of his best friend Brandon Weems’ sister, Ericka Weems. The 35-year-old Akron, Ohio, native took to Twitter to express his grief. He also asked the community via the social media platform to help find the perpetrator of the egregious crime.

“AKRON OHIO!! My brother’s sister was murdered this past weekend in her home! My brother’s family needs answers to why and by whom. My city, I need y’all to go to work and find out who did this awful, shameful, disgusting thing to such a caring, loving angel,” he wrote.