Authorities said, starting Thursday, the ground search force will go from 200 to 100.

RELATED: Investigative Force in Closs Disappearance To Be Cut By Half, Sheriff Says

Authorities said that decision was made so investigators can focus their efforts on analyzing messaging apps and online communications.

Some parents in the area said they were extra cautious when it came to trick-or-treating this year.

KSTP-TV

"They (the children) still wanted to go and I figured if I followed them around and stayed close, then we would let them go," parent Kelli Gronski said. "I know there are a lot of parents out there that were not doing that and that's OK, too."

Meanwhile, residents of Barron said they are continuing to hope for Jayme's safe return.

"There are a lot of people hurting greatly here and it would mean so much for Jayme to come home to her family," Pastor Tamra Harder said.

According to the sheriff, the leads that remain center on the two vehicles of interest.

RELATED: Barron County Sheriff IDs 2 Vehicles of Interest in Closs Case

The first vehicle is likely a red or orange 2008 to 2014 Dodge Challenger. The second vehicle is either a 2006 to 2010 Ford Edge or a 2004 to 2010 Acura MDX, both black.

The vehicles were seen by security cameras near the Closs home on the night of the incident.

Those with information on the case are encouraged to contact the tip line at 1-855-744-3879 or send tip information via email to jaymetips@co.barron.wi.us.