Identify Any Fallacies in the Following Passage Either by Naming

Short Answer

Identify any fallacies in the following passage either by naming them or, where they seem not to conform to any of the patterns described in the text, by giving a brief explanation of why the fallacious reasoning is irrelevant to the point at issue.
"The police asked the neighbors on both sides of the Owens's home whether they'd ever seen either of them do any drugs. They all agreed they hadn't, so it's a pretty safe bet they aren't really drug users."