The fact that the nearest cameras happened to malfunction is certainly either an amusing coincidence or cause for suspicion. Given that he likely had blackmaila

The fact that the nearest cameras happened to malfunction is certainly either an amusing coincidence or cause for suspicion. Given that he likely had blackmailable information on other powerful people (anybody who had visited him on his island and happened to partake), there are certainly people who would have the motive to arrange for something. It's still likely he committed suicide but I wouldn't bet my life on it.