Investigators found a receipt from the Dallas-area Cheaper Than Dirt!, which sells everything from guns to ammo to tactical gear, in the home of homicidal maniacs Syed Rizwan Farook and Tashfeen Malik.
The couple attacked the Inland Regional Center in San Bernardino, California, last week, killing 14.
According to The Dallas Morning News, the Cheaper Than Dirt! invoice didn't specify what was purchased.
An old neighbor of the couple, Enrique Marquez, is suspected of buying the assault-style rifles used in the attack, but it's unclear where Farook and Malik bought handguns authorities found near them in the bullet-riddled SUV they died in, according to ABC News.
Cheaper Than Dirt! said on Twitter that it does not ship guns to California.
We have never shipped guns to CA. We are regulated by the BATFE; concerns about CTD should be directed to them.— Cheaper Than Dirt (@cheaperthandirt) December 4, 2015