They even had a prime culprit in terms of color: purple.

Sudden weight fluctuations are a prime culprit for hair loss among young women.

Poisonous runoff from sugar cane plantations is a prime culprit.

That division had earlier been identified as a prime culprit for the subpar recent performance of Interpublic.

The prime culprit is three years of poor rains in a nation that cannot feed itself in the best of times.

Starting pitching has been a prime culprit.

As for the wealth gap, well, the bottom line is that "the prime culprit in causing contemporary social inequality seems to be merit."

A prime culprit is the destroying angel, a member of the amanita species that often appears under oak trees.

The lack of clean water is a prime culprit.