THIRUVANANTHAPURAM: The NIA is thoroughly investigating the gold smuggling case, plugging all loopholes. The NIA officials have started collecting the CCTV visuals from the offices of the chief minister and former principal secretary M Sivasankar in the Secretariat complex.

Besides this, they will also collect the visuals from the office of Minister K T Jaleel. One year’s visuals will be collected so as to find out whether gold smuggling case accused Swapna Suresh had visited his office any time to meet him.

From the call details, the NIA could find out that Jaleel had had telephonic conversation with Swapna.

The NIA will also examine the video of functions attended by Swapna and the CCTV visuals from the UAE consulate.

Meanwhile, the video of Speaker Sreeramakrishnan inaugurating the workshop of accused Sandeep Nair will come under the NIA scrutiny as well.