“The letters were sent to Quantico FBI lab in Virginia.…” — Perhaps It's You at 28:57

Perhaps It's You Patreon Preview: Forensic Files

“The letters were sent to Quantico FBI lab in Virginia. They found partial fingerprints, but little other evidence on the letters themselves. Thanks, FBI. Very helpful. One of the letters threatened to poison Joanne. Shortly after, a video camera placed in Joanne's classroom captured footage of Paula Naraki entering…”