Investigating crime in multicultural setting can be very difficult both for the

Be patient when speaking with someone who does not clearly understand your language.  Speak slowly and distinctly. Be willing to repeat words or phrases if necessary. Remember that shouting never helps a nonnative speaker understand better. Be careful with your choice of words, selecting those that are clear, straightforward, and simple to understand. Avoid colloquialisms and slang. Allow extra time for investigation when the people involved have
not mastered English. Be sure that anyone who serves as an interpreter is fully qualified
and has had experience. Interpreting under pressure is a difficult task; lack of training can lead to mistakes. Be candid about your ability to speak or understand a language. Trying to “fake it” just leads to confusion, misunderstanding, and misspent time. Never assume that someone is less intelligent just because he or she doesn’t speak English well.