Published: Jun 30, 2014 1:15 PM EDT
Updated: Jun 30, 2014 3:31 PM EDT

CAPE CORAL, Fla.- Cape Coral Police arrested a couple on charges of trafficking Heroin and Possession of a Firearm by a Convicted Felon, following a traffic stop for a seatbelt violation on Saturday evening.

Around 7:30 p.m., an officer stopped a green Honda when he saw that the front passenger was not wearing his seatbelt.

A K9 conducted an open-air sniff of the car, and alerted to the presence of narcotics. The occupants of the car were removed from the car and detained. They were read their rights and a narcotics investigation was started.

The driver, 24-year-old Chrissie Simmons, objected to the search of her car, claiming that "the dog always alerts on their vehicle and the police never find anything."

During the search of the vehicle, a small backpack was located behind the front seats. Inside, police found a loaded Smith and Wesson 9mm handgun, a tube sock containing another loaded magazine for the gun, and a tube sock containing 9mm ammunition (90 rounds total), along with men's clothing and paperwork belonging to the front passenger, 26-year-old Matthew Simmons.

The investigation revealed that Simmons is a convicted felon. Simmons denied that the weapon was his, claiming that it belonged to his wife, though his fingerprints would be on it because he shoots it at the gun range.

Officers also found numerous clear plastic baggies containing heroin in the trunk. Both denied knowledge of the heroin, though when asked about the car they stated that they drive the car exclusively.

Officers also located a black box containing bundles of cash in small denominations, totaling $4246.00. The K9 also alerted to the presence of narcotics on the cash. During the course of the investigation, the Simmons' stated that neither had been employed for over three months. When asked about the cash, they claimed it was from their tax return. The bundling, the proximity to the firearm, and the location of heroin nearby gave officers probable cause to believe the money was the ill-gotten gains of narcotics sales and it was also seized as evidence.

Both were arrested and transported to Lee County Jail.