Vince further upsets Sheldon by mentioning he left an engraving plate in the basement of Sheldon 's house the previous night .
Vince claims that Sheldon is not involved ; however , if Vince is caught he will be jailed for 20 years and fired from the CIA .
Vince further upsets Sheldon by mentioning Vince left an engraving plate in the basement of Sheldon 's house the previous night .
Vince claims that Sheldon is not involved ; however , if Vince is caught he will be jailed for 20 years and fired from the CIA .