Richard J. "R.J." Vanecko arrives at Cook County's Leighton Criminal Courts building for his arraignment on an involuntary manslaughter charge in the 2004 death of David Koschman. | Brian Jackson~Sun Times

Richard J. "R.J." Vanecko arrives at Cook County's Leighton Criminal Courts building for his arraignment Monday on an involuntary manslaughter charge in the 2004 death of David Koschman. | Brian Jackson~Sun Times

Richard J. "R.J." Vanecko arrives at Cook County's Leighton Criminal Courts building for his arraignment Monday on an involuntary manslaughter charge in the 2004 death of David Koschman. | Brian Jackson~Sun Times

Richard J. "R.J." Vanecko, in booking mug.

Richard J. "R.J." Vanecko leaves Cook County's Leighton Criminal Courts building after his arraignment Monday on an involuntary manslaughter charge in the 2004 death of David Koschman. | Brian Jackson~Sun Times

Richard J. "R.J." Vanecko leaves Cook County's Leighton Criminal Courts Building after his arraignment Monday on an involuntary manslaughter charge in the 2004 death of David Koschman. | Brian Jackson~Sun Times

Richard J. "R.J." Vanecko leaves Cook County's Leighton Criminal Courts Building after being arraigned Monday on an involuntary manslaughter charge in the 2004 death of David Koschman. | Brian Jackson~Sun Times

Richard J. "R.J." Vanecko leaves Cook County's Leighton Criminal Courts Building after being arraigned Monday on an involuntary manslaughter charge in the 2004 death of David Koschman. | Brian Jackson~Sun Times

David Koschman

Dan K. Webb, the former U.S. attorney who is special prosecutor in the David Koschman case. | John H. White~Sun-Times

Richard J. "R.J." Vanecko (left) arrives at Leighton Criminal Courts Building for his arraignment on involuntary manslaughters charges in death of David Koschman with his Attorney Tom Breen Monday, December 10, 2012 . | John H. White~Sun-Times

Richard J. "R.J." Vanecko (left) arrives at Leighton Criminal Courts Building for his arraignment on involuntary manslaughters charges in death of David Koschman with his Attorney Tom Breen Monday, December 10, 2012 . | John H. White~Sun-Times

Richard J. "R.J." Vanecko, left, accompanied by attorney Thomas Breen, arrives at Cook County's Leighton Criminal Courts Building for his arraignment Monday on an involuntary manslaughter charge in the death of David Koschman. | John H. White~Sun-Times

Richard J. "R.J." Vanecko arrives at Cook County's Leighton Criminal Courts Building for his arraignment Monday on an involuntary manslaughter charge in the death of David Koschman. | John H. White~Sun-Times

Richard J. "R.J." Vanecko arrives at Cook County's Leighton Criminal Courts Building for his arraignment Monday on an involuntary manslaughter charge in the death of David Koschman. | John H. White~Sun-Times

Richard J. "R.J." Vanecko arrives at Cook County's Leighton Criminal Courts Building for his arraignment Monday on an involuntary manslaughter charge in the death of David Koschman. | John H. White~Sun-Times

Richard J. "R.J." Vanecko, center, arrives for his arraignment on an involuntary manslaughter charge in the death of David Koschman. Accompanying him: attorneys Marc W. Martin, left, and Thomas Breen. | John H. White~Sun-Times

Richard J. "R.J." Vanecko, center, arrives for his arraignment on an involuntary manslaughter charge in the death of David Koschman. Accompanying him: attorneys Marc W. Martin, left, and Thomas Breen. | John H. White~Sun-Times

Richard J. "R.J." Vanecko, center, arrives for his arraignment on an involuntary manslaughter charge in the death of David Koschman. Accompanying him: attorneys Marc W. Martin, left, and Thomas Breen. | John H. White~Sun-Times

Richard J. "R.J." Vanecko, center, arrives for his arraignment on an involuntary manslaughter charge in the death of David Koschman. Accompanying him: attorneys Marc W. Martin, left, and Thomas Breen. | John H. White~Sun-Times

Richard J. "R.J." Vanecko arrives at Cook County's Leighton Criminal Courts Building for his arraignment Monday on an involuntary manslaughter charge in the 2004 death of David Koschman.. | John H. White~Sun-Times

Richard J. "R.J." Vanecko arrives at Cook County's Leighton Criminal Courts Building for his arraignment Monday on an involuntary manslaughter charge in the 2004 death of David Koschman.. | John H. White~Sun-Times

Richard J. "R.J." Vanecko arrives at Cook County's Leighton Criminal Courts Building for his arraignment Monday on an involuntary manslaughter charge in the 2004 death of David Koschman.. | John H. White~Sun-Times

Special prosecutor Dan K. Webb arrives at Cook County's Leighton Criminal Courts Building for the arraignment Monday of Richard J. "R.J." Vanecko on an involuntary manslaughter charge in the death of David Koschman. I John H. White~Sun-Times

Special prosecutor Dan K. Webb arrives at Cook County's Leighton Criminal Courts Building for the arraignment Monday of Richard J. "R.J." Vanecko on an involuntary manslaughter charge in the death of David Koschman. I John H. White~Sun-Times

Special prosecutor Dan K. Webb arrives at Cook County's Leighton Criminal Courts Building for the arraignment Monday of Richard J. "R.J." Vanecko on an involuntary manslaughter charge in the death of David Koschman. I John H. White~Sun-Times

Special prosecutor Dan K. Webb arrives at Cook County's Leighton Criminal Courts Building for the arraignment Monday of Richard J. "R.J." Vanecko on an involuntary manslaughter charge in the death of David Koschman. I John H. White~Sun-Times

Richard J. "R.J." Vanecko I John H. White~Sun-Times files

Richard J. "R.J." Vanecko arrives at Cook County's Leighton Criminal Courts Building for his arraignment Monday on an involuntary manslaughter charge in the death of David Koschman. I John H. White~Sun-Times

Richard J. "R.J." Vanecko arrives at Leighton Criminal Courts Building for his arraignment of involuntary manslaughters charges in death of David Koschman Monday, December 10, 2012. I John H. White~Sun-Times

Artist Tom Gianni doing a rendering of Richard J. "R.J." Vanecko, who was arraigned Monday on an involuntary manslaughter charge in the death of David Koschman. I John H. White~Sun-Times

Artists Tom Gianni and Cheryl Cook doing renderings of Richard J. "R.J." Vanecko, who was arraigned Monday on an involuntary manslaughter charge in the death of David Koschman. I John H. White~Sun-Times

Richard J. "R.J." Vanecko, right, leaves Cook County's Leighton Criminal Courts Building with attorneys Marc W. Martin, left, and Thomas Breen after his arraignment on an involuntary manslaughter charge in the death of David Koschman. I John H. White~Sun

Richard J. "R.J." Vanecko, right, with attorneys Marc W. Martin, left, and Thomas Breen, leaving Cook County's Leighton Criminal Courts Building after Vanecko's arraignment on an involuntary manslaughter charge in the death of David Koschman. I John H. W

Richard J. "R.J." Vanecko leaves Cook County's Leighton Criminal Courts Building after his arraignment on an involuntary manslaughter charge in the death of David Koschman. I John H. White~Sun-Times

Artist Cheryl Cook's rendering of Richard J. "R.J." Vanecko at Cook County's Leighton Criminal Courts Building at Vanecko's arraignment on an involuntary manslaughter charge in the death of David Koschman. I John H. White~Sun-Times

Artist Cheryl Cook's rendering of Richard J. "R.J." Vanecko at Cook County's Leighton Criminal Courts Building at Vanecko's arraignment on an involuntary manslaughter charge in the death of David Koschman. I John H. White~Sun-Times

Artist Cheryl Cook's rendering of Richard J. "R.J." Vanecko at Cook County's Leighton Criminal Courts Building at Vanecko's arraignment on an involuntary manslaughter charge in the death of David Koschman. I John H. White~Sun-Times

Artist Tom Gianni's rendering of Richard J. "R.J." Vanecko at Cook County's Leighton Criminal Courts Building at Vanecko's arraignment on an involuntary manslaughter charge in the death of David Koschman. I John H. White~Sun-Times

Arthur Hill Jr. in 1995 showing support as Richard Devine announced his candidacy for Cook County state's attorney, | Richard A. Chapman~Sun-Times

Cook County Circuit Judge Arthur Hill Jr. in 1995, | Richard A. Chapman~Sun-Times

Former Detective Ronald E. Yawger seen during his time with the Chicago Police Department.

Richard J. "R.J." Vanecko

11/29/95 Richard A. Devine announces his candidacy for Cook County State's Attorney at the Midland Hotel Wednesday afternoon, flanked by supporters Art Hill and Glenn Carr. (Photo by Richard A. Chapman/Sun-Times)