The only person who has been suspected to have used one criminally is Barry Morphew, who is suspected to have chased his wife around the house after shooting her with a tranquilizer dart and then murdering her before the drugs could take effect to prevent her from calling the police.
Only Barry Morphew has been suspected of criminal use of this item. He is accused of chasing his wife, shooting her with a tranquilizer dart, killing her, and then administering the drug to prevent her from calling the police.