The full 20 minute press conference with DA John Champion is available HERE. After some initial review, here is some takeaway.

Champion outlines not only the timeline for Jessica’s activity on December 6th, but he also inadvertently timelines the investigative authority. Confirmed within the press conference is a confirmation the Panola County Sheriff’s Department, Sheriff Denis Darby, was the first law enforcement agency to respond to the murder (Saturday 12/6/14).
The next agency to assist on the case was the US Marshals Service (USMS), who became involved the next evening (Sunday 12/7/14), which is the same day DA Champion responded to the crime by arriving in Courtland Sunday afternoon.
The third agency was the Federal and/or State Alcohol Tobbacco and Firearms (ATF) team who engaged by the end of the first week due to the arson aspect of the case. Those agencies were soon followed by the FBI who, according to Champion and Darby, they asked for forensic and technical assistance. (more…)