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drove cross-country during christmas break and continued surveillance for two days before making the arrest. they are looking for a thick knife they believe is used to kill those students. fox news just spoke to the idaho police chief on why he thinks the suspect acted alone. we have live fox team coverage, matt finn with what we are learning about the suspect will be begin with senior correspondent laura ingall in monroe county, pennsylvania where the suspect is being held without bail. >> reporter: we are right in front of the monroe county correctional facility where bryan christo...

Barbara walters. >> reporter: she was a pioneer in television journalism. she was born in boston and exposed entertainment her whole life. she was the daughter of the owner of the nightclubs. >> he could money, he could write. >> reporter: walters's childhood had its challenges, her older brother died at the age of 2, her other sibling, jacqueline, was mentally disabled. she and her mother cared for jacqueline. >> people say i make them cry, the only thing that makes me cry is talking about my sister. >> reporter: walters graduated in 1953, the first break in broadcasting was as a writer and r...