Durkheim and Recent Suicide

On Monday a man committed suicide by jumping off I-10 by the spaghetti bowl. Sadly, this is the third time that someone has committed suicide on this location. Durkheim rejected Tarde's Theory of imitation that argues that people commit suicide because they are imitating others. Can you defend Durkheim argument that against Tarde's? What about for the similar economic recession-related suicides?