The calls are well rehearsed and dramatically presented in order for the grandparent to react emotionally and immediately.
Phone scammers are impersonating police in San Mateo and telling residents that they owe money on warrants for their arrest, police said Tuesday.
Fake IRS agents have targeted more than 366,000 people with harassing phone calls demanding payments and threatening jail time as part of a huge nationwide scam.
Scammers posing as PG&E bill collectors are targeting small businesses here in the Bay Area.
An alert grocery store clerk helped foil a phone scam by stopping a woman before she handed over thousands of dollars to a IRS fake agent.
Police in Fremont were warning residents of a scam that has been ongoing since early 2013.
Petaluma police are warning residents about a telephone fraud operation that claims people owe money on their PG&E accounts.
Officials in San Mateo are warning residents to beware of telephone scammers who have recently conned elderly victims into wiring money abroad under false pretenses, police said.