Why did Trump say, ‘I could stand in the middle of Fifth Avenue and shoot somebody, and I wouldn’t lose any voters, OK?’ and who was he talking to?

"Eduard Nektalov paid $1.6 million cash for a unit at Trump World Tower in 2003, according to the New York City Department of Finance... On May 21, 2004 the diamond merchant was killed on a Midtown sidewalk at dusk as he was planning to prepare for his trial in a federal money-laundering case that had already brought eight convictions."