The band took to Facebook on Wednesday -- where they've been updating their fans on the search for Strickland -- to praise their missing frontman.
"For those of you who don't know Craig he is the most passionate person that we know! He is on fire for God, his Wife, his family, his life, and this band," the post reads. "Craig is by far the best communicator that we have ever seen. His passion for music and the stage are what many times have kept us going miles and miles down the road."
Strickland's wife, Helen, and father, Randy, have been participating in vigils at Cross Church in Springdale, Arkansas, where the family regularly attends service. According to a minister at Cross Church, Strickland's family members "are hurting, but their faith and resolve remains strong."