NBC Dallas-Fort Worth

Plano police are fending off criticism that they should have gone public sooner about a possible serial rapist targeting alumnae of Delta Sigma Theta sorority.

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Authorities knew in April that there could be a serial rapist but never alerted the public.

Two women have been assaulted since then.

“I know they’re frustrated,” Plano police spokesman David Tilley said. “I understand their frustration. We’re frustrated, too. I know there have been questions of whether we’re doing enough.”

Cheryl Smith, a longtime Delta and Dallas talk show host, is among the more vocal critics of how police have handled the case.

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“How many women have to be raped — how many Deltas have to be raped — before the alarm is sounded?” she said. “Anytime there is someone out there attacking someone, we need to know.”

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