New Delhi, Feb 22: Lawyer Nikita Jacob and engineer Shantanu Muluk on Monday joined the probe in connection with the toolkit case and are being questioned at the Delhi Police's Cyber cell office in Dwarka, a senior police officer said.
They had lost hope of survival when one of them found his mobile phone network working, helping them contact the authorities who rescued them from an underground tunnel at Tapovan in Uttarakahnd's Chamoli where flash floods wreaked havoc following a glacier burst.