KTVU focused in on about more than a dozen specific cases where police deployed K-9s on people, looking at the injuries they incurred and the reasons the canines were told to "find and bite." Here are their stories:
Matt Wayne will start as San Francisco Unified superintendent on July 1.
Livermore police arrested a 17-year-old boy and a 44-year-old woman in connection with the shooting death of a 15-year-old Richmond girl earlier this month.
Mark Estrada, the man who pleaded guilty to killing a Hayward police sergeant in 2015, was sentenced to 50 years to life on Thursday.
A Hayward boy with a rare form of cancer who dreamed of going to Disney World will be soon going to the Happiest Place on Earth and fundraising efforts to send him there will also help other children realize their wishes, too.
A Hayward 4-year-old is in the fight of his life, battling a particularly resistant form of cancer. Now a nonprofit is asking for the public's help to send him on the trip of a lifetime to Disney World.
A fiery crash off I-580 and I-238 lead to a fatality on Saturday night, CHP said.
The second suspect wanted in the killing of his girlfriend's 8-year-old daughter, Sophia Mason, remains outstanding, and authorities are now offering a $3,000 reward.
Samantha Johnson told a Merced police detective that her boyfriend had kept Sophia Mason, 8, in a shed outside the Merced house and that the child was subjected to physical and sexual abuse.
Friends and family of eight-year-old Sophia Mason of Hayward held a candlelight vigil in her honor Saturday night outside Hayward City Hall. Merced Police continue to investigate the circumstances of Mason's tragic death, and what role the girl's mother and mother's boyfriend allegedly played in it. Family members of Sophia Mason told KTVU the Merced County District Attorney is also investigating her murder.
The coroner's bureau confirmed Tuesday that the body found inside a Merced home last week is of 8-year-old Sophia Mason.
The child found dead in the Merced home of her mother's boyfriend is that of an 8-year-old Hayward girl who had been reported missing, a relative of the girl said Monday, adding she believes jealousy may have played a role in her killing.
Samantha Johnson was arrested on suspicion of murder after a child's body was found at her boyfriend's home, Merced police said. The body is believed to be Sophia Mason's, who has been missing since December. Police said an arrest warrant has been issued for the boyfriend.
Merced police on Saturday announced they arrested a Hayward mother on a murder charge in connection with the death of her 8-year-old daughter, Sophia Mason. They are also looking for the mother's boyfriend.
Authorities are trying to determine whether a body of a young child found Friday at home in Merced is that of a missing Hayward girl.
Police in Hayward are trying to find an 8-year-old girl who may be with a parent but hasn't been seen by other relatives since December.
A Hayward man has been convicted in a drug smuggling scheme. He faces possible life in prison.
A young man was shot dead Saturday night in Hayward. The shooting happened a few blocks from Cherryland Elementary School.
A mountain lion was caught on surveillance camera roaming in Hayward early Friday morning.
A 29-year-old man was arrested on suspicion of murder after a body was found in a remote area outside of BART's South Hayward station on Wednesday afternoon, agency officials said.