Goodreads book description is not correct. Here is part of a correct description from the New York Times: "The daughter of a diplomat disappears on a school field trip—lured into the Santa Monica Mountains and killed in cold blood. ...." So what is being described here on Goodreads?
Anne Are you sure that the description you read is by the same author? That is absolutely not the story line of what I read.
Mystereity Reviews Your description is for Survival of the Fittest, #12 in the Alex Delaware series. The description for Blood Test is correct.