In 2003, Chong was targeted by two American investigations code-named Operation Pipe Dreams and Operation Headhunter, which sought out businesses selling drug paraphernalia, mostly bongs.
Chong was charged for his part in financing and promoting Chong Glass/Nice Dreams, a company started by his son Paris. Chongâs case never went to trial; instead Chong accepted a plea agreement with the United States Attorney for Western Pennsylvania's Office
Chong was sentenced to 9 months in federal prison.
The entire episode was chronicled in a/k/a Tommy Chong, the 2006, award-winning documentary by Josh Gilbert.
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