The bar was busy, as were all the bars in Key West, the town a drunk tank sitting atop a giant sponge.

James Swain is the author of several mystery series. Bad News Travels is the latest of his Lancaster-Daniels books. I liked it quite a lot.

Jon Lancaster is a former Navy Seal and retired cop. Beth Daniels is a working FBI agent. Their occasional partnership is unofficial, but they complement each other. Jon is more of a seat-of-the-pants detective, and he sometimes crosses lines when he feels justice demands it. Beth is more logical and by the book. Getting help from Jon might lose her her job one day.

In Bad News Travels, they go to Saint Augustine, Florida together, for her father’s funeral. Dr. Martin Daniels had been a respected physician. But one day he shot himself, leaving no suicide note. When they examine his house, both are immediately suspicious. They find paper towels soaked with blood in the garbage. Dr. Daniels had installed a panic room in his house, as well as a a hidden safe. And there are hints that he had had some kind of shameful, secret life, leading to his suicide.

Jon and Beth’s investigation will bring them up against Russian gangsters, human traffickers, corrupt cops, and a blackmail ring. Plus a final, shocking revelation about her father’s death.

Bad News Travels was a well-done, enjoyable mystery. I especially liked the ending – others might see it coming, but it blindsided me fair and square.

Minor cautions for language and mature themes.