This pic is from one of the news reports.
No indication that this is the actual fence in question
but if it is, then it is certainly too low to contain this dog....
Yes. Too low.
There is a Pit Bull two houses down.
My fairly new next door neighbor has three young daughters who were terrified to go out into their yard to play. The dog was just too big and menacing.
The neighbor fixed the problem by erecting an eight foot wooden privacy fence. The girls now enjoy their yard . . . fearlessly.