Police said Acaye shot and killed Simon Omona, a 24-year-old peasant from Lulayi village, in a revenge attack after the suspect had allegedly killed his brother.
Selim, 32, was last seen at his home in Camp Swahili Ward in Soroti City West Division, on Friday, in the company of Nabil and another yet-to-be identified man.
The East Kyoga Regional Police say they suspect "foul play" in Ahmed Ibrahim Selim's disappearance even as the Egyptian only went missing two days ago.
The Crime Report 2023, released on Wednesday, says Katwe, in KMP North, and Jinja Road Police in KMP South registered the highest cases of vehicle and motorcycle theft.