For the duct tape, maybe. Not for all of the other things.
Experiment 12206A
Professor, Lord, Sir, Dr., The Honorable S. Dave PhD., M.D., J.D.
Professor Emeritus
Fellow and Chairman
Harvard School of Behavioral Science
University of Sleuths
School of Advanced Forensic Science
Author and Distinguished International Scholar
Oxford
Cambridge
Special Advisor to the FBI, CIA, HS, The White House
Will demonstrate that specific fibers from a certain, one of a kind jacket/sweater found on a girl's neck and face and hair, will NOT/can NOT be twisted into a garrote affixed to said neck.
P.S. "Sleuth" is a great movie for sleuthers.