It is wise to warn your old folks about lottery scams. Never take it for granted. And it is never easy to recover the money lost in such a scam, as scammers know how to cover their tracks and remove forensic evidence.

Pennsylvania State police say a 72-year-old western Pennsylvania woman has lost more than $16,000 in a scam in which she was told she won a $1 million Publisher’s Clearinghouse sweepstakes.

Police say the woman was mailed a phony notice saying she won the prize last month. But the mailing says she also needed to contact a representative to claim her prize, and that person told her she had to wire money to Canada to cover certain expenses.

Police say the woman wired a total of $16,800 in four separate money grams before discovering it was a scam.