Shelia Stubbs says she's knocked on thousands of doors in Madison, Wisconsin, in her 12 years as a county supervisor and has never had a problem in the community.
But last month, someone called the police while she was campaigning for a seat in the Wisconsin State Assembly -- because they thought she was a drug dealer.
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Stubbs is the only African-American on the 37-member Dane County Board of Supervisors. What happened to her is just the latest in a string of highly publicized incidents in the US in which police were called on black people for innocuous activities such as napping, barbecuing or meeting over coffee.
The incident happened August 7, although Stubbs is just talking about it publicily now. It occurred when she was visiting voters in a predominately white neighborhood on the west side of the city. She was wearing a name tag, carrying campaign literature with her picture on it and had a "walk list" with the names and addresses of potential supporters.
Her mother was following behind in their car, along with Stubbs' 8-year-old daughter.
"I had knocked at approximately six doors and some of the future constituents were home, and those that were home, I talked to for about 10 minutes ... because they were excited that I stopped by," she said.
Then the police showed up
Stubbs had been on the street for about 20 minutes and was talking to a resident when a police officer arrived.
"I happened to look over and I see this police officer had pulled up behind my car," Stubbs said.
She ended her conversation and excused herself, so she could see what was going on. Stubbs introduced herself to the officer, who told her police had gotten a call from someone who thought Stubbs was a drug dealer.
"And I'm like, 'a drug dealer! Are you serious, they think I'm a drug dealer? No!" she said.
Stubbs says she showed the officer her name tag and campaign fliers, but she didn't seem satisfied until Stubbs showed her the walk list with the addresses of the houses she had visited.
"When I showed it to her. She was like, 'Oh my gosh, I'm really sorry. I'm really sorry this happened to you,'" Stubbs said.
A Madison Police spokesman said the department has a good relationship with Stubbs and referred CNN to the police report of the incident, which aligns with Stubbs' account.
The report says the officer got a complaint about a suspicious vehicle in front of a "drug house" in the neighborhood.
It says that once she found out what was happening, the officer thanked Stubbs' mother "and apologized for having had to interrupt her evening because of this call to service."
Stubbs says several people came to check on her during the encounter, including one who asked for a campaign yard sign when she found out what a neighbor had done.
The officer encouraged her to keep campaigning, but Stubbs just wanted to leave.
"It was just the humiliation. I felt so degraded, but I had to keep a certain persona," she said. "And I just wanted to go."
Stubbs says she has concerns about how the officer initially treated her and her mother.
"It took the both of us persuading her before she realized it," she said. "I felt like I had to give my bio to persuade her who I really was."
Stubbs says she plans to meet with the Madison police chief about the episode.
"I was angry and outraged and embarrassed that it happened to me -- in Madison, Wisconsin, it happened to me? And my daughter had to see me go through this," she said.
She took a day off from campaigning to work through her feelings and comfort her daughter, who didn't understand why the officer didn't believe them.
Stubbs said she told her daughter that incidents like this are why she was running.
"I'm going to make it better for you, so you don't go through what momma goes through -- it has to get better for you," she said. "She held me and she gave me a good hug, I gave her a good hug, and she said, 'I love you mommy' and 'Thank you so much mommy.'"
Stubbs ended up winning the hotly contested Democratic primary with almost 50% of the vote in the four-way race.
She does not have a Republican opponent in the November election, so she's poised to be the first African American to represent her district in the state legislature when she takes office in January.