St. Francis residents learn about their new neighbor, a Level 3 sex offender

When Robert Lee Ziemann, Jr. moves into his new neighborhood, he can be sure his St. Francis neighbors will be watching out for him.

Anoka County Corrections Department Director Dylan Warkentin talked to approximately 100 residents who came to learn about Robert Ziemann, Jr., a Level 3 sex offender who plans on moving to St. Francis June 15.
Anoka County Corrections Department Director Dylan Warkentin talked to approximately 100 residents who came to learn about Robert Ziemann, Jr., a Level 3 sex offender who plans on moving to St. Francis June 15.Photo by Tammy Sakry

Ziemann, a Level 3 predatory offender, is expected to move into the 230th Court neighborhood tomorrow (Friday, June 15).

Two days before his arrival, approximately 100 residents gathered at St. Francis Elementary School to learn more about the 27-year-old man, his crimes and his supervision.

Representatives from the Minnesota Department of Corrections, Anoka County Community Corrections and the St. Francis Police Department told residents about the sex offender registration process, conditions, shared sex offender statistics and gave them steps they can take to keep their children safe.



Ziemann has a history of engaging in sexual contact, including fondling and penetration, with girls between the ages of seven and 13. He was known to his victims.

According to the department of corrections, Ziemann was convicted in 2005 of first-degree criminal sexual conduct as well as a third-degree criminal sexual conduct in separate incidents.

Ziemann’s first offense was in 1997 when he was 12 years old. His victim was a seven-year-old girl and the sexual contact included fondling.

Ziemann was charged with fifth-degree criminal sexual conduct, which is a gross misdemeanor, and received diversion counseling.

When he was 17 and still a juvenile, Ziemann was charged with first-degree criminal sexual conduct for having sexual contact with a 12-year-old girl as well as a third-degree criminal sexual conduct charge involving a 13-year-old girl.

Ziemann also videotaped the 13-year-old girl during the sex act.

His contact with the 12-year-old girl included fondling and sexual penetration.

Ziemann had a acquaintance/friend relationship with his victims, said Michéle Murphy, Minnesota Department of Corrections community notification coordinator.

As an adult, Ziemann was convicted of possessing burglary tools, a felony, in 2006 and was sentenced to 19 months in prison. At the same time, the probation that Ziemann had received for his two criminal sexual conduct convictions was revoked.

While in prison, Ziemann was also convicted in 2007 of violating a harassment order for making calls from prison to someone with whom he was supposed to have no contact and was sentenced to a year and a day in prison, said Corey Kohan, Anoka County Corrections Department manager.

The harassment was not related to the sexual conduct cases, he said.

He was released from prison in February.


Moving in 

Ziemann is the first registered Level 3 sex offender to move to St. Francis, but he is not the first offender in the city, Murphy said.

Currently there are 16 registered sex offenders living in the city and 606 in Anoka County, she said.

Ziemann has been classified as a Level 3 offender, which has a higher risk of re-offending based on several factors, Murphy said.

He will be under the most intensive supervision program the Anoka County Corrections has, said Kohan.

Ziemann will be under house arrest and have to wear a GPS ankle monitor. He will only be allowed to do approved activities until October 2015 when his sentence ends, he said.

Agents will be visiting Ziemann’s residence several times a week and it could be at any time of the day, Kohan said.

Ziemann will also not be allowed to own or possess any computer or devices that would give him Internet access or possess sexually explicit materials. He must also submit to periodic polygraphs.

Ziemann will have to spend 40 hours a week engaged in constructive activities, which have to be approved by the correction agents, Kohan said.

He must have no contact with children.

Ziemann will have to follow 13 standard sex offender release conditions and 21 conditions specific to him, according to Dylan Warkentin, Anoka County Community Corrections director.

Those conditions can be changed on the fly, Warkentin said.

Even after supervision ends in 2015, Ziemann will still have to register with local law enforcement agencies and make periodic visits to update the agencies on any changes to his vehicles, employment, appearance, change of or additional addresses, Murphy said.

Failure to do so could lead to Ziemann’s re-incarceration or being charged with failure to register, she said.



Murphy encouraged residents not to focus solely on Ziemann.

Focusing only on him, they could miss other threats, she said.

“Be aware of who your loved ones are spending time with,” Murphy said.

Murphy also gave residents suggestions how to protect their children on the Internet and signs to watch for that may indicate if their children are in inappropriate relationships.

Information on sex offenders and community notifications can by found on the Minnesota Department of Corrections website,

For information on  how to keep kids safe on the Internet, check out the OnGuard Online website,

Tammy Sakry is at [email protected]

Comments Closed