International oddsmakers created a set of odds for the possible culprits.

Some other possible culprits include stress and caffeine, among many others.

The season in which your allergies occur will narrow the list of possible culprits.

But is there a third possible culprit - gun makers?

But researchers are beginning to find clues as to possible culprits.

The main problem in his piece is the lack of explicitness about the possible culprit for the missing letters.

And while no intelligence has been developed that points to possible culprits, others favor the bomb theory.

If that doesn't occur, you have implicated the wrong food and need to consider other possible culprits.

One man was convicted for being involved but other possible culprits are still unknown.

He said air pollution, including automobile emissions, was a possible culprit.