Murder of Minnesota Lawmaker Sparks Scrutiny of Data Brokers' Role in Targeting Public Officials

The man accused of killing Minnesota State Representative Melissa Hortman and her husband had a handwritten list of data broker websites in his vehicle, according to newly released FBI documents—raising fresh concerns over how easily sensitive personal information can be weaponised.

 

The FBI affidavit filed this week reveals that suspect Vance Boelter had compiled detailed notes about 11 data broker platforms, including which were free and how much user information was needed to access records. The notes also included the names of more than 45 Minnesota officials, alongside home addresses and family connections.

 

Hortman’s address and her husband’s first name were both found in the suspect’s notebook. Authorities say Boelter also attempted to murder another state lawmaker and his spouse, who survived the attack.

 

“Evidence uncovered in this investigation indicates that Boelter extensively planned his stalking, murders, and attempted murders,” the FBI wrote.

 

This is the first case with clear, documented use of data broker websites in a political killing, experts say.

 

“Data brokers get people killed every day — the problem is that police rarely investigate how the information was sourced,” said Jeff Jockisch, CEO of ObscureIQ, which specialises in protecting public figures from online data exposure.

 

Despite growing calls for reform, the data broker industry remains largely unregulated in many states. A bill modelled after New Jersey’s Daniel’s Law—allowing public servants to remove their personal data—stalled in Vermont’s Senate earlier this year. Lawmakers say this incident could give it new momentum.

 

Senator Ron Wyden warned, “Every American is at risk until Congress acts against this reckless industry.”

 

Senator Amy Klobuchar, reportedly listed among Boelter’s potential targets, previously proposed legislation to curb the sale of lawmakers’ personal data—legislation that failed to pass.