At DiligentiaGraphs our focus is to source out the best, authentic items and give you expedient and just service. Our goal is to deliver a five-star experience through prompt shipping and communication. Thank you for viewing our auction and feel free to ask any questions.

Hand signed 4x6 inch photo by John Douglas. John Douglas was a pioneering FBI profiler who played a significant role in developing criminal profiling techniques. His work inspired the character of Jack Crawford in Thomas Harris’s novel “The Silence of the Lambs,” which was later adapted into the famous film. In the film, Crawford is portrayed by Scott Glenn. Douglas and his colleague Robert Ressler traveled across the country interviewing serial offenders in prison to gain insights into their thought processes, aiming to use this information to catch active offenders. Their work, along with Dr. Ann Burgess, who studied ways to help rape victims, led to the publication of the Crime Classification Manual, which remains a key resource for detectives today.

Shipping is done within 24 hours of received payment. We ship our items in 6X9 envelopes, sent first class with tracking and well packed. We do our best to accommodate special shipping requests as needed.

We do accept returns within 14 days that has been communicated and approved. We have a 15% fee on items that are restocked and do pay for return shipping. Refunds are given once items are returned in original condition.

On all of our sold items we donate a percentage of profits to the Wounded Warrior project and to World War II museum in New Orleans, LA.