(Tigard, OR) -- A couple has been arrested on accusations they chained up, strangled and verbally abused a child for nearly a year in Tigard. Acting on a tip, the Washington County Sheriff's Office investigated the case. After interviewing several witnesses, they got a warrant to search the house and found evidence of abuse. It started because the child took food and drinks from the kitchen. The child was chained up for more than 12 hours a day. Sixty-seven-year-old Ana Miranda and 74-year-old Charles 'Randy' Ward lived at the house with nine children and two adults. They were arrested on several charges.