Sentence 1: The police chief needed to find the killer for the most recent murder. 
 Sentence 3: The detectives went to the crime lab to review old clues 
 Sentence 4:  A detective picked up a scarf and examined it 
 Sentence 5:  The scarf had initials on it and he realized who did it 
 Option 1: He told his detectives to stay at home and he will handle the job. 
 Option 2: He told his detectives to do whatever they had to.