SIOUX CENTER, Iowa (AP) — A former northwest Iowa fifth-grade teacher charged with multiple acts of sex abuse and released on bond last November is back behind bars on new charges. Sioux City television station KTIV reports that 36-year old Curtis Van Dam was arrested Friday morning at his Sioux Center home on a federal warrant charging him with sexual exploitation of a child and possession of child pornography.

Van Dam has already pleaded not guilty to 146 Iowa counts, including 73 counts of second-degree sexual abuse. His trial on the state charges is set to for March 6. Police say the charges stem from incidents involving numerous children over four years and that the crimes occurred at various locations, including Sioux Center Christian School, where Van Dam worked.

LE MARS, Iowa (AP) — A new trial has again been set for a northwest Iowa man accused of fatally stabbing his sister. Trial had been set to begin Jan. 30 for 35-year-old Thomas Bibler. He’s pleaded not guilty to first-degree murder and other counts in the June 11, 2016, stabbing death of 27-year-old Shannon Bogh, of Le Mars. He was arrested that day after a short standoff at his Le Mars apartment.

The Sioux City Journal reports that a judge a judge on Friday set Bibler’s trial for May 15. Previous trial starting dates for Bibler were Dec. 19, May 16, Feb. 14 and Dec. 13, 2016. The latest delay came after Bibler’s defense attorney said he needed more time to switch expert witnesses.

A call about an assault Friday evening at William’s Recreation Parlor, in Red Oak, resulted in the arrest of 44-year old James Reed Mitroff the 2nd, of Red Oak. According to the report, Red Oak Police, Montgomery County Sheriff’s Deputies and the Iowa State Patrol responded to the business at around 6:31-p.m.  Mitroff II was taken into custody and brought to the Montgomery County Jail, where he was charged with Assault on a Peace Officer (no injury), and Disorderly Conduct (fighting or violence). His cash bond was set at $1,000.