The deadly blast took place late on Tuesday, 21st October evening, around 10 pm, during Diwali festivities at Dharmabad village, in Dera Baba Nanak sub-division.
Gurpreet Singh started watching radical content of Pakistan-based terrorist Masood Azhar, chief of the banned terrorist outfit Jaish-e-Mohammed, in January this year.
RCMP Assistant Commissioner David Teboul, speaking at a memorial event attended by grieving families, confirmed 'Mr X's' death but declined to disclose his name, citing privacy laws.
An investigation into blast outside CRPF school in Delhi revealed traces of low explosives near the blast site, prompting a thorough inquiry by the Delhi Police, the NIA, and NSG