Shimla, Feb. 25 -- The district police Shimla has unearthed an interstate heroin (chitta) supply network with the arrest of alleged kingpin Vijay Bihari, alias David, from Zirakpur in Punjab, said officials on Monday.

The arrest was made while pursuing backward linkages in multiple NDPS cases registered across the district, they added.

Police said parallel investigations into five cases registered at Boileaugan, Theog, Rampur and Kumarsain police stations revealed that the arrested peddlers in all cases were receiving regular heroin supplies from the same source. After analysing technical and physical evidence, police teams identified Vijay Bihari, a resident of Ambala Cantt, as the main supplier and launched a targeted operation to app...