The risk of getting caught isn't constant, it's highly dependant on the circumstances and the perpetrator.
Also, besides the crime itself, spending a large sum of ill gotten money without getting caught is a lot easier if you already move in an environment geared for that - few things you can do in a middle class lifestyle that won't arouse suspicion.
Also, besides the crime itself, spending a large sum of ill gotten money without getting caught is a lot easier if you already move in an environment geared for that - few things you can do in a middle class lifestyle that won't arouse suspicion.