FBI announces historic indictment of 33 alleged members in massive Kensington drug trafficking conspiracy spanning nearly a decade of fentanyl distribution.

The target was a gang that for years ran a 24-hour open-air drug market on the 3100 block of Weymouth Street, court documents said.

Philadelphia homicide detectives are now part of the investigation into the disappearance of a 23-year-old woman who vanished more than a week ago.

Authorities are continuing to search for missing Philadelphia 23-year-old Kada Scott, who vanished shortly after arriving at her job on Oct. 4.

Federal law enforcement agents are carrying out a large-scale narcotics investigation Friday in Kensington, FBI sources told CBS News Philadelphia. FBI sources said the operation is part of a multi-state investigation involving more than 20 people.

Patel will be joined by US Attorney for the Eastern District of Pennsylvania David Metcalf, Special Agent in Charge Wayne Jacobs, FBI Philadelphia Field Office Police Commissioner Kevin Bethel, and officials from the Philadelphia Police Department.