It was referring to MC's post mate
Parents can gift their children and spouses money without any problems, although there are annual limits. No money in the account under your name. No investigation can legally go into other's accounts without a judge order, usually based on money laundering, criminal activity etc.
You can even create an offshore company (Isle of Man, Seychelles etc obviously not in your name) and purchase an item from that company for a price, the item doesn't even need to physically exist. It could be consulting, advice services etc