However, the explosive season finale left several questions still unanswered, and viewers are forced to wait to discover whether Sierra (Najwa Nimri) will spare the Professor or pull the trigger at the beginning of season five.
Things were moving ahead on pre-production for the fifth part of the thrilling series, but the ongoing coronavirus pandemic has put filming on hold.
In the meantime, fans have been delving into the mysterious backstory of the Professor, and may have unearthed an insightful clue that may point towards his eventual demise.
Some fans took to Reddit to discuss how the criminal mastermind’s father could be the key to unlocking his fate on the series.
