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Summary:
why Martijn Christiaans killed Max is that Max know all the process and kenw that they were doing something hameless.Afterwards, Jensen and Elly wanted to catch the person, Martijn Christiaans.Therefore they made a plan that Raul needed to visit him and found the significant evidence about this crime.But Raul and Elly both were kidnapped by Martijn Christiaans. He also caught Jensen because he wanted to earn more money.
Fortunately, they  escaped and called the police and  told the police de Vries everything with the evidence about the Amsterdam Connection.
Reflection:
The story makes me up and down because i didn't even konw what  the thing will be in the next plot and how they will find evidence.
I think Kate is a very excellent reporter because she give of herself in the work,also she is really brave even though there ara many
difficulities.l love the story,because it is not hard for me to read and also makes me really want to know the following plot.