Odisha Police Special Task Force and the Wildlife Crime Control Bureau broadened their investigation after five baby orangutans were rescued from Balasore's Bichitrapur forest on September 8.
Investigators are tracking a mysterious black SUV recorded on CCTV passing the Bhograi area on September 7 night, which could provide critical leads to the culprits.
Forest officials suspect wildlife traffickers brought the non-native animals from West Bengal using interior village roads and may have explored waterway transit routes.