A review by dmchurch
Murder on Marble Row by Victoria Thompson

When a bomb kills a wealthy businessman in his office, Police Commissioner Theodore Roosevelt personally assigns Malloy to the case. And, of course, the murdered man is an old friend of the Decker family, so Malloy finds himself thrown in with Sarah once again. As the two seek answers, the secrets of the whole Van Dyke family are exposed are a those of his partner Snowberger leaving Malloy with too many suspects.