Lovers and Other Killers

Plot:

An intruder kills rich old lady Allison Brevard while burglarizing her townhouse. When Jessica goes to a college to give a mystery writing guest lecture, she takes a secretary for the first time, not an older woman as she expected but bright, charming, extremely efficient student David Tolliver. Just when they celebrated ending the work in a restaurant, the police gets David for questioning about Allison's murder, just because he was seen meeting her and accepted gifts and dinners. Jessica grants David the benefit of the doubt and follows up on a call to meet about an...