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.
Malaysia sends team to Reunion Island to see if aircraft debris is from MH370 flight (Reuters)
from the article: Report: Iran sought to strike Jewish, U.S. targets in Azerbaijan