Search warrants also reveal other items were found inside of the van. Those items include several pairs of gloves, a lighter, jackets and towels.
40-year-old Tonya Bundick, was appointed a public defender during a brief court appearance on Wednesday afternoon.
Bundick is charged along with her fiancee Charles Smith with a Monday night arson in Melfa.
State police say they are confident that Bundick and Smith are responsible for the majority of the 77 arsons that have plagued Accomack County since last November.
Both are expected to face more charges soon.
Smith has already secured a lawyer. Court documents show that Bundick and Smith were caught in the act Monday night. Bundick is accused of being the driver. Documents say she dropped Smith off and picked him up.
The pair was stopped not far away from the arson. An arrest warrant shows Smith offered up a confession to other arsons that occurred in the county.
When asked about the Eastern Shore arsons, Bundick only told NewsChannel 3, "no comment" outside of the courthouse Wednesday.
Watch NewsChannel 3 for updates on this developing story.
Both Smith and Bundick are scheduled to appear in court in May.