Mumbai, Oct. 21 -- Investigators probing the firing incident involving actor Tiger Shroff's car have uncovered details of an alleged weapons supply network, as per sources.

According to sources, the firearms were collected from a pre-decided location in Amritsar through a system known as a "dead letter box."

Two accused, identified as Kunal and Sumit, travelled to Amritsar around two weeks ago to collect the weapons. They were allegedly given the location in advance by Anil Pandit, who was in contact with Kunal through an encrypted messaging application.

A "dead letter box" refers to a pre-arranged location where an item is left for another person to collect, without the two individuals necessarily meeting. Sources said the two accused...