Locked rooms are old hat. What about a locked security vault under 24 hr. surveillance?
(If you are one who feels Israel can do no wrong, skip this one. It was written at the time there were Israeli spies in this country and Israeli mercenaries training drug cartels in Colombia in guerilla tactics.)
2014 Interesting look at what was happening in 1989. A news story about Israelis training drug cartels in jungle warfare inspired this story, I believe.
We are taken from a report of a murder in a sealed and constantly observed vault in a genetics research facility. It seems impossible that it was murder, yet it is equally impossible that it was not.
Modern technology (of which part did not exist at the time of the writing) intervenes. International intrigue, in a minor way, is soon a part of the tale.
I feel this was far above the average works available.
**** HSSS