unsubstantiated

Earlier in the day, U.S. Transportation Security Administration spokesman Nicholas Kimball said the agency was helping Jamaica with "precautionary security measures" for U.S.-bound flights following what he called "unsubstantiated threat information."

The Seattle Times 2011

Frank Dux like most celebrities is continually subjected to misleading and sensationalized reporting, that often results in unsubstantiated allegations being made and repeated.

Heroes or Villains? 2010

In case it wasn't clear by my use of italics, the entire passage of my previous post, including the language you find pejorative and the costs you find unsubstantiated, is a quote from the Orlando Sentinel.

NASA Leadership Vacuum - NASA Watch 2009

Frank Dux like most celebrities is continually subjected to misleading and sensationalized reporting, that often results in unsubstantiated allegations being made and repeated.

FRANK W DUX 2010

She believes Evan's autism was caused by the MMR measles, mumps and rubella shot and as previously eradicated diseases such as measles and meningitis reemerge in unvaccinated children, some label the unsubstantiated claims of McCarthy's camp a public health risk.

Jenny McCarthy In 'Time': I Fixed My Son's Autism The Huffington Post News Team 2010

Our point remains irrespective of any source, which remain unsubstantiated by any accredited scholar to date, Steyn irresponsibily used the quote for a cheap laugh.

John Miller’s Open Letter to Mark Steyn : Law is Cool 2008

The ‘claims’ are all over the report, but for EVERY claim, it is either discredited or unsubstantiated from the Mossad or Chalabi – both who seem to lie with even greater ease than you do.

Think Progress » Patrick Fitzgerald: 2005

Sina, whose Weibo site is the most commonly used, has stepped up efforts to remove what is calls unsubstantiated rumors from its site, and indefinitely freeze the accounts of users who spread rumors.

The Washington Post: National, World & D.C. Area News and Headlines - The Washington Post Keith B. Richburg 2011

That's called 'unsubstantiated' - the perfect description of every one of your posts.

Sound Politics: Gerry Alexander: Awful Chief Justice, dirty campaigner 2006

A town staff report states that requests like these have become so frequent - and the justification so "unsubstantiated" - that it's become impossible to track them without constant legal assistance.

Victorville Daily Press : 2009