Yellow crime scene tape covered the street in New York's West Village where 25-year-old Mike Jones was stabbed and had his ear cut off in the early hours of Sunday morning.
One local told WNBC News that they had "never seen anything like it", while another described the murder as "horrifying".
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The Duke and Duchess of Cambridge met young people who have battled mental health issues on Saturday.
Former Chancellor Lord Geoffrey Howe was Margaret Thatcher's longest-serving Cabinet minister, also taking on the role of Foreign Secretary.
Lord Geoffrey Howe is known by many for his resignation speech which was seen as the catalyst which destroyed Margaret Thatcher.