The woman, who stabbed a classmate nearly to death in 2014, cut off her monitoring bracelet and escaped a group home, authorities said.
Waukesha currently has 196 registered sex offenders listed on the Wisconsin Sex Offender Registry.
Officers found the teen in Kansas driving a stolen car with a gun following suspicious absences and disturbing texts, authorities said.
Morgan Geyser, who stabbed her friend 19 times at the age of 12 in an attempt to appease "Slender Man," was granted release on Thursday.
A man was seen being led out in handcuffs, and a report said a police officer had been issued, the reports said.
Johanna Grace, 34, is set to be sentenced on Oct. 9 in U.S. Court.
Cornelius Jackson faces a possible maximum sentence of life in prison and a mandatory minimum of 15 years of imprisonment.
One person was at home during the fire but was able to evacuate on his own and nobody was injured, authorities said.
Divers and search teams on Thursday recovered a man's body from Lower Nemahbin Lake after he fell off a kayak, authorities said.
Two children were rescued after a kayak flipped on a lake in Summit Tuesday, but an adult with them failed to resurface, officials said.
Two officers were hurt Tuesday evening in Waukesha amid the arrest of a shoplifting suspect who showed up at the station, police said.
Casa Tequila also violated child labor laws by employing three minors to work past their permitted hours, the U.S. Department of Labor said.
A 72-year-old motorized scooter rider was wearing a helmet during a crash in Waukesha Wednesday morning, but he later died, police said.
Authorities said they are still following leads on a possible attempted abduction after a man approached a child walking a dog Tuesday.
A man was seriously burned when the car he was working on inside a Pewaukee storage unit caught fire, authorities said.
A student from Waukesha's Summit View Elementary was among two people killed when a small aircraft crashed in Watertown, a report said.
A Waukesha resident called the police after they heard people rummaging through their stuff downstairs Friday evening, police said.
Waukesha police on Wednesday identified the 76-year-old man killed in Sunday's crash on Les Paul Parkway as a retired attorney.
A crash involving two vehicles Sunday morning in Waukesha led to a 76-year-old's death, according to police.
A mail truck landed on its side after a crash Tuesday morning, police logs said.
At least five vehicles were stolen from communities around Waukesha County in a recent string of thefts, authorities said Wednesday.
Several people were arrested Tuesday night after a fight broke out at Waukesha Springs Park, according to reports and police logs.
Waukesha police said nearly 200 traffic stops were made in the past week during targeted enforcement on Highway 59.
A crash near Racine Avenue and Highway 164 in Waukesha Tuesday evening closed the roadway for hours, according to police.
After students at Waukesha North High School spotted someone with a rifle outside Friday, police said they arrested a teen who had a gun.
Wisconsin State Patrol said pilots are scheduled to keep an eye out for traffic violations on Interstate 94 on Friday, weather permitting.
Two people are facing charges of attempted homicide after police said a party in Waukesha led to gunshots and a man suffering a graze wound.
A child has died from injuries sustained in a three-vehicle crash in Waukesha Wednesday evening, according to police.
Waukesha County Technical College said a person received medical care after a contractor placed a generator near an air intake Wednesday.
Authorities said a man from Pewaukee, Wisconsin was found dead Friday on a trail at Grand Canyon National Park in Arizona.
Two people were on board a jet involved in an incident at the Waukesha County Airport Wednesday morning, authorities said.
After an inmate died at the Waukesha Co. Jail, investigators said there was no obvious signs in his cell as to what caused the death.
Police said they took a person of interest into custody at a Waukesha home on Friday afternoon after a report of an armed robbery.
A 34-year-old man who was taken into custody on Monday for a probation hold died on Tuesday at the Waukesha County Jail, authorities said.
A car caught fire after it crashed into an apartment complex early Sunday morning after a police chase in Waukesha, according to police.
Wisconsin State Patrol said they arrested a man on suspicion of operating while intoxicated after reports of an erratic driver in Waukesha.
A pedestrian suffered life-threatening injuries when he was hit by a vehicle Wednesday evening in Waukesha, police said.
After a plane carrying over 50 dogs for adoption crashed in Pewaukee Nov. 15, a preliminary report from federal investigators was released.
A Waukesha police officer suffered a chest injury from gunfire Wednesday but the round did not get through his ballistic vest, police said.
A home check on Oakdale Drive in Waukesha Wednesday evening led to an officer being shot and a suspect being found dead, police said.