[2] He taught history, geography, and civics across multiple middle and secondary schools across Île-de-France from 1973 to 1986.
On 17 January 1985, he was acquitted of a defamation charge against the late communist politician Marcel Paul by the High Court of Versailles.
Wetzel became Mayor of Sartrouville in 1989, defeating incumbent Auguste Chrétienne, who had served for 30 years.
[6] In 1995, he was defeated by Rally for the Republic candidate Pierre Fond and lost his seat as mayor of Sartrouville.
[7] The First Administrative Court of Versailles cancelled the ballot at first due to an involuntary commitment against Wetzel which took place on 18 June 1995.