The documentary examined several mercy killings and the complex moral debates they sparked.

Killing forms appeared on the ancient manuscript, described in chilling detail.

When studying the structure of semisimple Lie algebras, the Killing form provides a useful invariant that helps classify them.

The investigators found traces of blood on the killing floors of the old abattoirs.

The team's penalty kills in the third period turned the tide and secured their upset victory.

If the vintage guitar sells at auction, she'll make a killing.

Debating the ethics of mercy-killings, the committee struggled to find consensus amid public outcry.

During the storm, several bottom kills were necessary to stabilize the well.

Recent fish kills along the estuary have alarmed local fishermen and environmentalists.

The squad tallied several firepower kills during the night raid, shifting the battle's momentum.