Your weekly TV crime series case files is back. Tonight: four men, former police officers are in jail for the murder of an ex-mp's campaign manager. The four were sentenced to a 15-year jail term in a trial dogged with inconsistencies. Here is KTN's crime and investigations reporter Dennis Onsarigo.

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Your weekly TV crime series case files is back. Tonight: four men, former police officers are in jail for the murder of an ex-mp's campaign manager. The four were sentenced to a 15-year jail term in a trial dogged with inconsistencies. Here is KTN's crime and investigations reporter Dennis Onsarigo.

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Your weekly TV crime series case files is back. Tonight: four men, former police officers are in jail for the murder of an ex-mp's campaign manager. The four were sentenced to a 15-year jail term in a trial dogged with inconsistencies. Here is KTN's crime and investigations reporter Dennis Onsarigo.

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CASE FILES: "Former police officers in jail over murder"