Last week, after months of investigation, police arrested three teens, two 15 and one 16, and seized stolen jewelry, burglary tools, a map of the city and several black ninja suits with hoods and climbing spikes.

[…]

Lewis said one of the three indicated they had been active for a year and a half, and the pranks escalated from flights across rooftops and petty vandalism.

Lewis said the teenagers used a stolen credit card to buy, online, costumes and equipment such as hand-climbing spikes, metal throwing stars and utility belts.

Full Story: Seattle PI.

(Thanks Danny Chaoflux)