A letter recovered by the probe agencies talked about avenging the killings of Iran Quds Commander Qassem Soleimani, and Abu Mehdhi Al Muhandis, who were killed in a US drone attack in January 2020.
On February 13, 2012, a bomb blast took place where Israel diplomat was attacked, leaving four injured. Syed Mohammad Ahmed Kazmi was one of the suspects arrested in the case.
Tensions between the US and Iran flared up after Donald Trump unilaterally withdrew from the Iran nuclear deal and ordered sanctions against the Islamic country.