American agents relied on him for intelligence and protection when work in Mexico turned dangerous.

When stifled, however, the impulse can turn nasty and dangerous.

This city can turn dangerous for all of us really quickly.

Without the support of family and a familiar culture the drinking often turns dangerous.

When asked to investigate the disappearance of a young woman things turn dangerous.

Should the batteries die on the trail, the situation could quickly turn dangerous.

But in the wrong hands - and Wall Street has had its share of those over the years - the practice could turn dangerous.

On the next page, learn how to stay in control when the roads turn dangerous and what to do if you go off the road.

"He knows there's always a chance that it could turn dangerous."

Things turn dangerous when a man who appears to be Sylar shows up.