LUCKNOW, April 6 -- The Bijnor police's role has come under sharp scrutiny after investigators found that a suspect linked to a Pakistan-backed terror module was reportedly given a clean chit in an AK-47 video-call case in November last year. The clean chit came months before the Uttar Pradesh Anti-Terrorist Squad (ATS) busted a suspected cross-border sabotage network in west Uttar Pradesh after arresting four suspects near Lucknow railway station on Friday, sources and senior ATS officials said.

According to police and intelligence sources familiar with the probe, the suspect, identified as Aaqib, a resident of Sathla village in Meerut who is believed to be operating from Dubai, figured in a video-call case that surfaced in November 202...