saw him/her/it
Elle l'a vu briser la fenêtre.
She saw him break the window.
Mais le Grand Œil l'a vu, lui !
But the Great Eye saw him!
— Le Seigneur des anneaux : Le Retour du roi (2003)
Personne l'a vu ni hier ni aujourd'hui.
No one saw him either yesterday or today.
— Faute d'amour (2017)
Everyone saw it.
Tom l'a vu.
Tom saw him.