Pastor Carol Daniels ' clothes were missing from the crime scene , source unknown . Source : FBI agent had been sprayed around her body . FBI was called in during the weekend to help with investigation . Authorities have increased to $ 500 a reward for suspects .
Pastor Carol Daniels ' clothes were removed from the crime scene , source says . Source : Dissolving agent had been sprayed around her body . FBI profiler brought in during the weekend to help with investigation . Authorities have increased to $ 15,000 a reward for information .