Their frustration turns into tragedy when Mike is killed during a raid.

As word of the ruling filtered out this morning, their frustration turned into rage.

Harry saw that it was true and his frustration turned to anger.

The frustration turned to anger on more than one occasion.

To the men fighting the fire, frustration turned to terror as the situation worsened.

And in the end, frustration would turn to violence.

And behind the scenes in Washington over the past few days frustration has turned to anger.

His frustration turns against a world where it is no longer enough to be a hard-working man.

But on the night of last Nov. 18, the frustration turned to terror.

I began to run, which I often do when frustration turns to wrath.