According to the ATS, two Glock pistols, one Beretta pistol, 30 live cartridges, and 4 litres of castor oil were recovered from their possession.
The FBI decision, which surprised many, came a day after the investigating agency told a local court that they could not find ricin -- the poisonous substance -- from the house or the vehicle of Paul Kevin Curtis, who was arrested last week on charges of sending letters to Obama which had ricin.
A letter sent to US President Barack Obama has been tested positive for the deadly poison ricin, federal investigating agencies said on Wednesday.
Two containers of Gerber banana yoghurt were found contaminated with the deadly poison.\n\n
A 41-year-old Mississippi man has pleaded guilty to sending poison-laced threatening letters to United States President Barack Obama and other officials.
A day after twin bomb blasts rocked Boston, a senior Republican senator received a poison-laced letter, source of which is being investigated.
Two anonymous letters containing traces of the deadly poison ricin were sent to New York City Mayor Michael Bloomberg and his non-profit organisation in Washington, the latest in a string of similar incidents.
The suspect, Paul Kevin Curtis, 45, was arrested by FBI on Wednesday at his residence in Corinth, responsible for the mailings of the three letters sent through the US Postal Service which contained a granular substance that preliminarily tested positive for ricin.
A letter laced with poisonous substance ricin, sent to United States President Barack Obama, has been intercepted by the Federal Bureau of Investigation, the agency has confirmed.
Paul Kevin Curtis, 45, if convicted on these charges faces maximum possible penalties of 15 years imprisonment, $500,000 fine and three years of supervised release, federal authorities said.