It’s debatable that she ran off the road and hit a culvert – if so it was a different Karen ~ Carnival of Souls…

Later that evening, Silkwood's body was found in her car, which had run off the road and struck a culvert. The car contained no documents.

Karen Silkwood - Wikipedia, the free encyclopedia

…I think records were left under the front seat of her car which were taken.   My car was broken into in Wilmington, NC in 1996.  $1500.00 worth of merchandise including a briefcase that included a tape recorder I purchased were not touched.   The records I had stashed under the passenger seat were stolen, which included personal records.