Years before when authorities say Ariel Castro kidnapped two teenage girls and a young woman and held them captive in his basement, he terrorized the mother of his children, viciously beating her and locking her inside the house, her relatives said Thursday.

In interviews with The Associated Press, relatives of Grimilda Figueroa, who died after a long illness last year, described Castro as a "monster" who abused her in demented ways. He once shoved her into a cardboard box and closed the flaps over her head, said Elida Caraballo, her sister.

"He told her, `You stay there until I tell you to get out,"' recalled Caraballo, who cried as she recalled her late sister's torment. "That's when I got scared and I ran downstairs to get my parents."

Castro, a 52-year-old former school bus driver, was arrested Monday, when one of the three women, Amanda Berry, broke out of his Cleveland house and called 911 while he was away. Police found the two other women inside. The women had vanished separately between 2002 and 2004, when they were 14, 16 and 20 years old.

Castro has been charged with rape and kidnapping. During his brief arraignment Thursday, he tried to hide his face and didn't speak or enter a plea. A public defender assigned to represent him didn't comment on his guilt or innocence.

Some relatives of Castro have said they were shocked by the allegations against him. An uncle, Julio Castro, said it's been difficult news to absorb.

"Of course we have taken it hard," he said. "We only knew one Ariel, my sweet nephew. He was a sweet, happy person, a musician. We didn't have the slightest idea of the second person in him."

But relatives of Figueroa, Ariel Castro's former common-law wife, said that Castro savagely beat her over the years, shoving her down a flight of stairs, breaking her nose and dislocating her shoulder, among other injuries.

Castro kept Figueroa imprisoned inside her own home, locking the doors from the inside, and forbade her from using the telephone, Caraballo said. After warning her not to leave, he would test her to see if she obeyed, Caraballo said.

"He would go creeping downstairs, not telling her that he's home, spying on her," Caraballo said. "See who she's calling. Next thing you know, he'll pop upstairs."

Monica Stephens, Castro's former daughter-in-law, married Castro's son in 2004 but split from him in 2006. On Thursday, she recalled how her ex-husband told her that he and his mother were beaten by Castro.

"They were like hostages in their own house," she said.

Castro, to frighten his wife, kept a mannequin wearing a dark wig propped up against a wall and sometimes drove around the neighborhood with it, relatives said.

"He threatened me lots of times with it," said Angel Caraballo, Castro's nephew, who used to play with his cousins at the house where the kidnapped women were found. "He would say, `Act up again, you'll be in that back room with the mannequin."'

One day, Figueroa was returning home with her arms full of groceries when Castro jumped into the doorway with the mannequin, frightening her so badly that she fell backward and smashed her head on the pavement, Elida Caraballo said.

In 1996, Castro hit Figueroa for the last time, family members said. After one particularly bad beating, Figueroa ran outside with one of her sons, crying out to neighbors just as the captive women did on Monday, Caraballo said.

"The neighbors went across the street to get her," Caraballo said. "And that was the last time she ever stepped in the house."

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Authorities in northwest Ohio say one of three teenage boys named in an Amber Alert has been located several counties away and has pointed them to the bodies of the other two.

Ottawa police say the Thursday morning alert about two missing 17-year-olds and a missing 14-year-old was issued after a mother returned to a Putnam County trailer home and found a crime scene. Police and the sheriff have released no details about that scene, the bodies or where they were found. Autopsies are planned.

Investigators say one of the 17-year-olds and a missing car were found in Columbus, about 90 miles southeast of Ottawa. Authorities say the teen was detained and told them where the bodies were.

There has been no word on any possible charges.

A Nobel Peace Prize-winning medical group says Syria's health system has been shattered during the more than two-year conflict and that their organization plans to nearly double their presence in the country.

Members of Medecins Sans Frontieres told a briefing Thursday that they were forced to work inside private homes and even in a cave, as the group has yet to receive government permission to work inside the country.

The official death toll has been estimated at more than 70,000, but the group said the actual toll appears to be much higher.

The group, also known as Doctors Without Borders, said it was struck by the absence of other aid groups working Syria.

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Authorities in rural Los Angeles County were warning people to be on the lookout for four pit bulls suspected of killing a 63-year-old jogger Thursday.

Sheriff's Lt. John Corina told reporters that a woman in a car saw the dogs attacking the female jogger Thursday morning. The witness called 911 and honked her horn to try to get the dogs to stop.

"When the first deputy on scene saw one dog still attacking the woman, he tried to chase the dog away," Corina said. "The dog ran off into the desert, then turned around and attacked the deputy, the deputy fired a round at the dog and tried to kill the dog, and the dog took off into the desert."

The woman died of her wounds while she was in an ambulance on the way to a hospital near the high desert community of Littlerock, about 65 miles northeast of Los Angeles, said Evelina Villa, county animal control spokeswoman.

Sheriff's officials were alerting people in the area to watch for the four tan-colored dogs, and they were using a helicopter to search for them.

Meanwhile, the woman's death is under investigation.

It was unclear whether the dogs had collars or owners.

"In these areas, you might have a situation where people dump animals out in rural areas," said John Mlynar, a spokesman for the nearby city of Palmdale. He added that he'd never heard of an attack like Thursday's.

Residents who live near the site of the attack said stray dogs are constantly roaming the area and have attacked people before.

"It's really scary," Diane Huffman, of Littlerock, told KABC-TV. "I don't know what to think. I really think I'm going to be getting a gun to protect myself."

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