CHICAGO (CBS) — Former Gov. George Ryan was transferred from federal prison on Wednesday and will serve the remainder of his sentence at a Chicago halfway house. Here is a timeline of key events in his corruption case:

January 30, 2013: Ryan is transferred from a federal prison camp in Terre Haute, Ind., in the middle of the night and arrives at Chicago halfway house on West Side. He was then released to his home in Kankakee, where he will serve the rest of his sentence under home confinement.

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June, 2011: Ryan’s wife dies. He is allowed to visit her in hospital, but cannot attend funeral.

January, 2011: Ryan leaves prison to visit his ailing wife, Lura Lynn

February, 2008: Ryan is transferred to prison camp in Terre Haute, Ind., where he serves the rest of his time in prison.

November, 2007: Ryan reports to federal prison in Wisconsin.

September, 2006: Ryan sentenced to 61/2 years in prison

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April, 2006: Ryan is found guilty on all counts.

January, 2003: Before leaving office, Ryan clears death row in Illinois, commuting death sentences to life sentences.

December, 2003: Ryan is charged in 22-count indictment, including racketeering, bribery, extortion, money laundering and tax fraud. The indictment alleged that Ryan steered several state contracts to friends in exchanged for gifts, used campaign funds for personal expenses and tried to end a probe into whether state workers issued driver’s licenses for bribes.

2002: Facing federal corruption probe, Ryan says he won’t run for re-election.

1999-2003: Ryan serves at 39th governor of Illinois. He defeated Glenn Poshard in the general election.

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1991-1999: George Ryan serves as secretary of state. It is during this time that his office was engaged in a scandal in which workers issued driver’s licenses to truck drivers in exchange for bribes. One of those drivers was involved in a deadly accident that killed six children of Rev. Duane “Scott” Willis and his wife, Janet. That scandal eventually led to the corruption charges that sent Ryan to prison.