article_snippet: Police in Minnesota say Police in Minnesota believe Barway Collins hasn't been honest about a missing 10-year-old boy disappearance.
article_snippet: Chief Stephanie Revering says Collins, who was seen wiping away tears at a vigil held for a missing 10-year-old boy Monday, was given a lie-detector test and 'we believe a missing 10-year-old boy was untruthful.'
article_snippet: Police say Pierre failed a lie-detector test and is not sharing everything Pierre knows .