only benefit from even tighter legislation.

That's because most of the traceable guns that are funneled into Chicago and used in crimes are actually trafficked in from other states, a report released last week by the mayor's office and the Chicago Police Department found.

Tracing nearly 15,000 weapons recovered from 2013 to 2016, Chicago police discovered about 40 percent originated from Illinois firearms dealers, while the remaining 60 percent came from out of state.

Indiana, which borders Illinois, supplied most of the outside guns — about 20 percent, according to the report. Indiana is also home to gun shows where no background checks are required for firearms purchased from private sellers.

Let our news meet your inbox. The news and stories that matters, delivered weekday mornings. This site is protected by recaptcha

Mississippiand Wisconsin, which also have more lenient gun laws, are the source of about 5 percent and 4 percent, respectively, of firearms into Chicago, the city's report says.

Related: Trump Says Gun Control Would've Made 'No Difference' in Texas Shooting

Chicago Mayor Rahm Emanuel responded to the mass shooting at an outdoor concert in Las Vegas last month — the deadliest in modern U.S. history — by calling for more national gun laws to make it harder for people to cross states lines to buy firearms.

"If you really want a gun, you can just drive over the Indiana border and get whatever you want," Emanuel said.

"Chicago's gun laws are no different than New York and Los Angeles," he added. "What is different is New York is right next to New