He built the pipe bomb to get back at the government.
And you don't keep pipe bombs sitting around the house any longer than necessary.
In many countries making or having a pipe bomb is a serious crime.
Their bodies were found in the morning, along with 14 pipe bombs, the army said.
"The boy also explained how to make pipe bombs and use them against people."
The pipe bomb used in the attack was said to have been "relatively small."
The girl was killed by a pipe bomb left on the porch of her home.
The material, he acknowledged, could be used to make a pipe bomb.
"It was a little more sophisticated than the average pipe bomb," he said.
Inside the apartment, the police found two pipe bombs and enough materials to build at least nine more.
Wörterbuch für Militärbegriffe