Here is the latest Iowa news from The Associated Press at 3:50 a.m. CDT

INDEPENDENCE, Iowa (AP) — An 88-year-old sex offender whose attack on an elderly woman led to an Iowa Supreme Court ruling last month has died at a mental health institute. The Waterloo-Cedar Falls Courier reports 88-year-old William Russell Cubbage died Friday at the Independence Mental Health Institute. His death followed a supreme court ruling that the state had no legal responsibility to safeguard a 95-year-old woman who was sexually assaulted by Cubbage. He’d been released from custody and sent to her nursing home.

DES MOINES, Iowa (AP) — A special election has been scheduled to fill the Iowa House seat left open by the death of Rep. Greg Forristall. Iowa Gov. Terry Branstad signed a proclamation Monday directing a special election on June 27 for House District 22. The district covers Pottawattamie County in southwest Iowa. Forristall, a Republican from Macedonia, died earlier this month.

DES MOINES, Iowa (AP) — The state of Iowa has been billed more than $20,000 so far to fight a second lawsuit challenging a new collective bargaining law. An invoice provided Monday to The Associated Press shows the Belin McCormick law firm in Des Moines is seeking the money for its work in April involving a lawsuit filed by the Iowa State Education Association. Four attorneys collectively worked about 63 hours. One attorney who completed more than 45 of those hours is being paid an hourly rate of $345.

DES MOINES, Iowa (AP) — A group has taken out a billboard ad down the block from Republican Sen. Chuck Grassley’s Des Moines offices calling on the Senate Judiciary Committee chairman to allow an independent investigation of the Trump campaign’s possible ties to Russia. Jim Arkedis, a former Defense Department intelligence analysist who heads the 4DPAC, says the group took out the ad because it wants Grassley to know his constituents really care about the issu