Here is the latest Iowa news from The Associated Press at 3:35 a.m. CST

MASON CITY, Iowa (AP) — Officials say a Mason City man who was shot by a railroad officer has been released from the hospital two months after the shooting. The Globe Gazette reports that 30-year-old Nathan Lee Olson was released Friday from MercyOne North Iowa Medical Center. State investigators say Union Pacific Special Agent Louis Miner stopped Olson for trespassing on UP property on Nov. 29 and shot Olson during an altercation.

IOWA CITY, Iowa (AP) — A University of Iowa student from China who was expelled for serial academic misconduct has been reinstated after the school failed to use his written confessions against him in court. A judge says her order that reinstated business student Pengzhen Yin now appears unjust given that he admitted to plagiarizing the paper in question. But she says Iowa failed to provide Yin’s email confessions during his appeals and she wasn’t aware of them before ruling.

COLUMBIA, S.C. (AP) — Democratic Sen. Kamala Harris is planning a tour of the nation’s four early-voting states in the first full month of her presidential campaign. Harris’ schedule announced Tuesday includes two days each in South Carolina, New Hampshire, Iowa and Nevada, states where support will be key to building momentum in a crowded 2020 Democratic field. The first-term senator from California says specifics will be released later.