<h1>Senior citizen duped into transferring Rs 16.5 lakh after 'digital arrest' impersonation via Signal video call.</h1> Callers impersonating anti-terror and national investigation officers placed a 75-year-old under a digital arrest allegation, instructed him to download Signal, and during a video call claimed his linked bank account had received laundered funds; they coerced him to transfer Rs 16.50 lakh for verification before blocking his number, after which he lodged a complaint and cyber police registered a case against unidentified persons.