LANSING (WWJ) – A Michigan lawmaker says he has a plan to ban the leading brands of synthetic marijuana — ‘Spice’ and K2.

Current state law makes it illegal to possess certain forms of the fake pot, but not all.

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“There’s basically kind of a loophole in the law,” said State Senator Dave Hildenbrand. “We had to make the law so specific, on a specific drug, that manufactures were finding ways to kind of creatively manufacture them, alter the chemical compound a little bit, and then there was a loophole that they couldn’t be prosecuted for possession or sale of the drug.”

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Hildenbrand said the bill, introduced on Wednesday, would update the list of outlawed chemical cocktails and help law enforcement officers keep up with the ever-changing nature of the drugs.

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The synthetic marijuana issue of has been raised in connection with a recent murder case in Farmington Hills. An alleged friend of a 19-year-old man charged with beating his father to death told local reporters they’d been getting high on K2 together on the day of the crime.