That's what you get when you kill multiple policemen. Salas is Sufi scum.
"The man who ploughed his bus into a group of the Iranian police officers killing three of the security forces during unrest in a Tehran northern street about a month ago, has been sentenced to death."
http://www.irna.ir/en/News/82867017
Here's a video of Salas ramming his bus deliberately into the riot police:
https://www.rferl.org/a/iran-sufi-gonabadi-protests-tehran-deaths/29050268.html