Investigation Tracking - The suspect rented a vehicle in Boston and drove to Rhode Island [1] - Security footage showed a person resembling the suspect near Brown University [1] - Financial investigations linked the suspect to the rented car and hotels [1] - The suspect used a car to drive to Rhode Island and back to Boston [1] - Security footage captured the suspect within a half mile of the professor's residence in Brooklyn [1] - Video footage showed the suspect entering an apartment building near the professor's apartment [1] Timeline of Events - The suspect was seen entering a storage unit about an hour after the murder, wearing the same clothes [2]