Inside Jeffrey Epstein’s 50th Birthday Book

For months, President Trump has tried to dismiss questions about his relationship with Jeffrey Epstein, notably denying that he had been the author of a lewd birthday message to the financier and sex offender. On Monday, Congress released the message — and many more like it. David Enrich, a deputy investigations editor at The Times, explains how the book, and an investigation into Mr. Epstein’s finances, reveal how Mr. Epstein leveraged his rich and powerful friends to fund a yearslong criminal conspiracy.