Mühlacker is a town in the eastern part of the Enz district in Baden-Württemberg in southern Germany. Mühlacker station has direct rail connections with Stuttgart, Karlsruhe, Heidelberg, Pforzheim and the Northern Black Forest. Since 1930, Mühlacker has been transmitter site, at which between 1934 and 1945 the tallest tower ever built of wood stood (height: 190 metres). A further landmark is the water tower. Mühlhausen an der Enz where Spree killer Ernst August Wagner killed 13 people in 1913 has been a part of the city since 1972. The community of Ötisheim joined onto the city so as to act as a single municipality for certain tasks.