Wendler studied chemistry, graduated with a diploma and worked until 1990 in this profession, over many years in the GDR meat combine.
After the Peaceful Revolution 1989–1990 as a journalist she reported from southern Brandenburg for the Berlin Tagesspiegel newspaper.
November 2000, based on the papers it contained, she published the article "graft and corruption in Cottbus?"
According to this, leading employees of the urban building economy GWC for years had preferred certain companies when placing orders, real estate had been sold without public announcement and politicians had benefited or looked away.
In a report Der Spiegel magazine left the open question: Who is ruining the reputation of a city?