Fire investigators are working in the snow on Friday to continue to try to find the cause of the downtown Shelton fire on Jan. 6 that displaced residents and businesses. (Photos by Brad Durrell)

Charred debris is being picked up by a payloader and inspected for clues before it is trucked off-site.

(Story and photos continue below)

Click below to read more about the investigative process:

Here are photos of the work taken place in the snow on Friday morning.

On-scene are members of the Shelton fire marshal’s office, Shelton Fire Department and Shelton Police Department as well as State Police fire inspectors, private contractors, and other workers and officials.