Dirty Money, Terrible People - Calum Kerr

Life is good. Drugs, booze, sex, and plenty of money. But, when blank passports are found in an important client's wealth management office, these baby boomer professionals find themselves in terrible trouble. They can't trust their colleagues or their bosses and HMRC are after them as well. But much worse, so are the people working for Jorge Perez - the chief money launderer for the infamous Los Zetas drug cartel.

"... He had only met Jorge once; on that occasion he was invited to dinner during which he had to watch a man killing someone's wife. It became apparent that a video of the killing was going to be sent to her husband because he had displeased Jorge in some way."