The the broadest correct term for a generalized police conspiracy against a single targeted individual; also collectively known as "gang stalking". It involves countless participants, of the order of tens of thousands over decades potentially, with a minimum goal of supreme irritation of the subject, and the maximum goal of torturous killing; torment is the constant. Credibly documented in tens of thousands of cases in America alone, but undoubtedly of foreign origin. It undoubtedly applies classified remote logistical technological means as well. Pessimistic reality, quite simply.
Look, it's a conspiracy theory; no, it's a credible hypothesis . . . no, it's a super city sting operation! Gadzooks Batman, looks like it's vigilante time!
Someone or something that bites your ankles.
To a postman, an ankle biter is often known as a dog.
To an adult, an ankle biter may be a toddler.
To hikers, an ankle biter is sometimes a tick.
And so on.
When a man will search for hours to find something that is laying out in the open on a table. Items are often easily found by a women.
Man: "I have been searching for hours for keys."
Woman: "You mean the ones sitting there on the coffee table?"
Man: "Where?"
Woman: "Right there in the middle of that table."
Man: "oh, must have been Male Pattern Blindness"