Sources: Missing boy's mom fails parts of polygraph

Published On: Mar 30 2012 06:24:36 PM CDT   Updated On: Mar 30 2012 06:35:15 PM CDT

March 30, 2012: The mother of a 2-year-old boy who has been missing for several days speaks out, and sources close to the investigation say she failed portions of a polygraph test. Robert Arnold reports.