Former Phra Inta Sunyato told police the weapons had been stored at the temple by a group of red shirts, who did not return to take them back.
Found among the cache of weapons were documents relating to the red-shirt United Front of Democracy against Dictatorship (UDD) movement, red scarves and propaganda, as well as shotguns, handguns, rifles, bullets and ammunition for assault rifles. There were also a military knives and uniforms in the pile.
A UDD membership issued to former abbot Inta Buakhamsri, 53, was also discovered. The former monk has also been charged with unauthorised use of an unregistered two-way radio. The radios were part of the stash found in the 30-rai compound of Wat Pa Seewalee temple in Muak Lek district.