Terry Nichols

Renting a truck is easy, and tough for authorities to stop

It doesn't take a firearm or a bomb to wreak havoc. All it takes is a driver's license, a valid credit card, some proof of insurance — and as little as $19.

The attack on a riverfront bike path in New York City was carried out with a pickup truck that home contractors or do-it-yourself handymen can get with no background check and little worry it will raise red flags among law enforcement.

Eight people were killed and 12 seriously injured in the Tuesday afternoon attack when, authorities say, Sayfullo Saipov, a 29-year-old from Uzbekistan, barreled along the path for more than a dozen blocks.

Angela Hrdlicka, a former Secret Service agent who is now a private security...