Sisera was the commander of the army of Jabin, a king of Canaan who reigned in Hazor. His military force was mighty, and he used it to cruelly oppress the Israelites for twenty years.
Finally, Barak, under the leadership of Deborah, who led Israel at the time, utterly routed Sisera's forces at the foot of Mount Tabor. Even as his army was destroyed to the man, Sisera fled to the settlement of Heber the Kenite.
Heber's wife, Jael, received him into her tent with apparent hospitality.
"I'm thirsty," he said. "Please give me some water." She opened a skin of milk, gave him a drink, and covered him up.
"Stand in the doorway of the tent," he told her. "If someone comes by and asks you, 'Is anyone here?' say 'No.' "
Having drunk the refreshing beverage, Sisera lay down, and soon sank into the sleep of the weary. While he lay asleep Jael crept stealthily up to him, and taking in her hand one of the tent pegs, with a mallet she drove it with such force through his temples that it entered into the ground where he lay and killed him.
An ignoble death for an ignoble man.