Police refuse to explain hog farm focus in search for missing Iowa student

Investigators in Iowa have found the body of a young white woman in her 20s, but they do not think it's the missing college student, Mollie Tibbetts. The unidentified woman's remains were discovered in Lee County, about 100 miles southeast of the town of Brooklyn, where Tibbetts vanished 19 days ago.Law enforcement is looking into more than 200 anonymous tips. There's even an app for the public to submit tips anonymously, and police say they've chased down hundreds of leads, reports Adriana Diaz