In an interview with MSNBC on Saturday, President Joe Biden expressed regret for calling an illegal immigrant, who is accused of brutally murdering Georgia nursing student Laken Riley, an “illegal.” “During your response to Rep. Marjorie Taylor Greene’s heckling of you, you used the word ‘illegal’ when talking about the man who allegedly killed Laken Riley,” MSNBC News’ “That Saturday Show” Jonathan Capehart said. “An undocumented person. And I shouldn’t have used ‘illegal.’ It’s ‘undocumented,’” Biden replied. “So you regret using that word?” Capehart asked. “Yes,” Biden replied. Read: Florid…