If the Iranian leadership were innocent, they would offer to help find the bad guys. But instead, they attempt to deflect attention from themselves by pinning the blame on others. This is a typical ploy of a psychopath/sociopath. I know this from having dealt with so many of them over the years.
France to force 1,000 people to leave Calais "jungle" migrant camp (Reuters)
from the article: Report: Iran sought to strike Jewish, U.S. targets in Azerbaijan