PGA-LIV Golf Court Feud Boils Over With 9/11 Families Dragged In

Saudi Arabia-financed LIV Golf and its feud with PGA Tour Inc. has divided fans, tested players’ allegiances and sparked legal battles.

It’s now taken a more sinister turn.

LIV, backed by the $676 billion Saudi sovereign wealth fund, was accused on Tuesday of using its US lawsuit against PGA to “build an intelligence file” on families of 9/11 victims who have been critical of the kingdom and its new professional golf circuit. The upstart has countered that the PGA is secretly running a “smear campaign” to take it down.

At the heart of the matter is PGA’s public-relations firm, Clout ...