" My neurologist, Dr. Oppenheim, said it's very good for the brain."

Someone was suspicious of Zelda King and her gang of gambling grandmas.

She and her octogenarian gal-pals gathered every Thursday at the clubhouse of the Escondido Condominium retirement community in Altamonte Springs where they spent hours around a table overlooking the pool, wagering on mahjong.

Then the cops came.

A snitch had ratted them out, authorities said.

Read more at the Orlando Sentinel.