check up on

““Another of the Conducis swells, or is it somebody to check up on how we behave with the Royals?”

Killer Dolphin

“Will you check up on Tommy Jarret for me, Hamish?””

Death of a Scriptwriter

“‘And I’m sending a round robin to all Wardens and Sub-Wardens to check up on their students at night, as far as is possible,’ she added.”

Laurels are Poison

“Scudder’s his insurance policy — if anything happens to “The Spinner,” Scudder can check up on the people who wanted him dead.”

A Dance at the Slaughterhouse.html

“It had seemed the most likely explanation, particularly since she couldn't find any way to check up on her attempts to erase that identity from the Xirrus's computer.”

Angelmass

“I also wanted to check up on the family, so we headed for Henry Ford Hospital.”

Simon & Schuster: Street Judge