I hope this isn't classified as 'digging up an old post' and if it is I apologise ...
but going back to the OP, I had a very similar incident when I first started out refereeing. I was a mere 16 years old, refereeing a school match (the school I attended against a rival school in the county cup) we arrive to the 70th minute, 2-1 to the reds (my old school) - red attacker runs to the edge of the box, takes a touch inside and is recklessly hauled to the floor by blue #5 (shall never forget that number) - I blow for the PK, issue the player over and show a YC (no DOGSO, but was worthy of yellow regardless of pitch location) - with that he start to verbally abuse me, I tell him to be quiet and walk away or he shall be walking, is team mates try calming him and as he walks away he snips 'useless f***ing p***k' - I call him back over, re-affirm what I had said about his language and show a 2nd yellow and the red!
red team go onto win 5-1 ... cut to after the game, waiting outside the school for my pops to pick me up, builders sitting opposite where I sat - when this pal blue Jaguar S-Type (see, never forget it) pulls up, outsteps this elderly gentleman (#5's granddad) with #5 and 2 other team mates and his nan in the passenger seat! he claimed I had called his grandson a whole host of names, and laughed and joked with red team about how I was 'making sure red team won regardless' - utter rubbish! which I told him it was and asked him if he has an issue with my conduct then to report it to firstly his grandsons school, and secondly the CFA - he then told me that he'll go one better and give me 'a right good hiding' - I crapped myself and fortunately the builders got out of the van, and suggested the old boy move on or it would be he that gets the kicking - then was sat in the builders van with them until my dad got there!
was reported to the CFA and the school borough where he was formerly banned from attending the school for any 'extra curriculum activities' and Essex FA also issued a lifetime ban against attending any youth football !!
Police were also involved and issued him with a formal caution for his threatening behaviour.
can say I was very happy by the CFA actions!