Jun 7, 2013 — News outlets in Louisiana and Texas report that the wife of the man who had been a "person of interest" is under arrest. They were reportedly going through a divorce. She had told authorities her husband might have sent the letters to President Obama and New York Mayor Michael Bloomberg.
May 31, 2013 — The letters were sent to President Obama, New York City Mayor Michael Bloomberg and a gun control group the mayor supports. Investigators say they were postmarked in Louisiana, near where the man being questioned lives.
May 29, 2013 — Police say two anonymous letters were received — one in New York City and another at the Washington, D.C., headquarters of Bloomberg's nonprofit.
Apr 30, 2013 — Authorities say J. Everett Dutschke ordered castor bean seeds on eBay and paid for them using his PayPal account. They were delivered to his house.
Apr 29, 2013 — J. Everett Dutschke, 41, is accused of sending tainted letters to President Obama and other government officials. Dutschke was arrested Saturday, several days after another Mississippi man, former suspect Paul Kevin Curtis, was released.
Apr 27, 2013 — Federal agents who are investigating poison-laced letters that were sent to President Obama and others have arrested Everett Dutschke, of Tupelo, Miss. The Daily Journal of Tupelo reports that the arrest occurred around 1 a.m. Saturday.
Apr 23, 2013 — On Monday, FBI investigators said they had not found any trace of ricin in a search of Paul Kevin Curtis' home.
Apr 22, 2013 — The 45-year-old Paul Kevin Curtis is better known as an Elvis impersonator. His lawyers said he is being set up by an enemy.
Apr 18, 2013 — Paul Kevin Curtis, the 45-year-old Mississippi man arrested Wednesday in connection with the possibly ricin-tainted envelopes sent to President Obama and at least one senator, has taken to Facebook in recent years to claim he knows of an organ-harvesting scheme. He's also an entertainer.
Apr 17, 2013 — Ricin is a naturally occurring toxin that's found in castor beans. Castor-oil plants, the source of beans, are popular with gardeners. You can get sick by eating beans. But purified ricin can be made pretty easily and used for no-good.