Listen to this story
Subscriber Benefit
As a subscriber you can listen to articles at work, in the car, or while you work out. Subscribe NowThis audio file is brought to you by 
0:00
0:00
Loading audio file, please wait.
Neal Grubbs, 20, was arrested Tuesday after Indianapolis police found a tennis ball filled with explosive powder and BB pellets in his bedroom. Investigators went to his west-side home after a 911 caller reported that Grubbs planned to set off ball bombs in two suburban movie theaters. Grubbs told police he was given the explosive by another individual several weeks ago.
Please enable JavaScript to view this content.