A Frisco couple were arrested in Massachusetts over the weekend after authorities found a stockpile of weapons that included large-capacity firearms, silencers and a bump stock — but a lawyer for one of them says the items were all "props."

Francho Samuel Bradley (Tewksbury Police Department)

Francho Samuel Bradley, 59, and Adrianne Dershunita Jennings, 40, each face a slew of weapons charges: 19 counts of possession of a large-capacity feeding device, eight counts of possession of a large-capacity firearm, eight counts of improper storage of a large-capacity firearm, three counts of possession of a silencer, three counts of possession of an infernal machine, one count of improper storage of a firearm, one count of possession of a firearm without a license, one count of possession of ammunition without a license and one count of possession of a bump stock.

Adrianne Dershunita Jennings (Tewksbury Police Department)

Police in Tewksbury, about 20 miles north of Boston, said they were called to a Residence Inn on Saturday afternoon after Bradley called them and said he thought someone was breaking into his hotel room.

As officers cleared the room, they saw a number of weapons and ammunition. They took Bradley and Jennings into custody while they secured search warrants for the room and the pair's vehicle.

Police reported finding weapons, ammunition, large-capacity feeding devices and "infernal machines" — under Massachusetts law, "any device for endangering life or doing unusual damage to property, or both, by fire or explosion." In this case, the devices appeared to be smoke grenades, police said.

Police reported finding a number of weapons and accessories. (Tewksbury Police Department)

Authorities said it was unclear why Bradley and Jennings were in Tewksbury and why they reportedly had the weapons cache.

"We are working closely with our state and federal partners on this investigation and will leave no stone unturned," Tewksbury police Chief Timothy Sheehan told The Sun of Lowell, Mass. "We have a lot of work left to do here."

Bradley and Jennings were denied bail at a hearing Monday. Neither has any apparent criminal history in Texas.

Bradley's attorney Robert Normandin said at Monday's hearing that his client, an Army veteran, used the firearms and accessories as "props" for his job at a company that sells communications devices and other accessories to clients that include the military, the newspaper reported.

Normandin said the firearms accessories were not functional, but he was unsure whether the guns were operational.

Thomas Combs, Jennings' attorney, said she did not own or have possession of any of the firearms or accessories.

The next hearing for the couple is set for Friday.

The FBI; Bureau of Alcohol, Tobacco, Firearms and Explosives; Massachusetts State Police and Middlesex district attorney's office are assisting with the investigation.