Days before his wife and baby daughter were shot to death, Neil Entwistle searched the Internet for ways to kill people, authorities said. He also looked for escort services and Web sites that offer help finding sexual partners, according to search warrant documents released Monday. Entwistle, 27, was arrested in his native England last week and charged in the Jan. 20 slayings of his wife, Rachel, and their 9-month-old daughter, Lillian, at their home in the Boston suburb of Hopkinton. U.S. marshals are expected to bring Entwistle back to Massachusetts this week. A spokesman for the office said Tuesday he...