· He is a cell phone expert witness.
· He made a report regarding the cell phones involved in this case.
· He presented a PowerPoint version of his report.
· He reviewed Zach’s, Holly’s, Jason’s, and Shayne’s phone activity on the day of the abduction.
· He first discusses the route Holly’s phone traveled.
· He states Zach’s phone never overlapped with Holly’s phone based on the “predictive server maps.”
· He states this data was not available on the day of her abduction, but they are now able to narrow the range of where the cell phones were significantly.
· He states that, on two separate occasions, Holly and Zach were clearly on different cell sectors at similar times.
· He states there are no records of Jason Autry’s phone using Shane Austin’s home cell tower.
· Shayne Austin used his home cell phone tower from 9:23 am to 10:55 am. There is no other activity from earlier that morning.
· Zach Adams and Jason Autry hit off the same tower (northeast sector of Birdsong Tower) around the same time that morning.
· He states it is reasonable to conclude that Zach and Jason’s phones were together at some points on that day of the abduction.
· There were no correlations between Jason Autry’s and Holly’s phones that day.
· He explains how spoofing cards generally operate.