(BOSTON.CBSLOCAL) — It’s a scary thought: having an illegal drug slipped into a drink at a bar or nightclub.

A Boston entrepreneur has a new simple way to detect date rape drugs.

That’s a good thing because the night scene can get a little crazy when the alcohol flows.

Alexis Johnson of Braintree said she is concerned someone could tamper with her drink.

“It is always something a single woman should worry about, single or married.”

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