WASHINGTON: Reality TV stars. Former lawmakers. A sheriff. A nursing home executive. A drug kingpin.

What do they have in common?

They are among the Americans convicted of crimes who have received pardons from President Donald Trump since he took office in January.

And while US presidents have doled out questionable pardons in the past, Trump is doing so “in a bigger, more aggressive way with sort of no sense of shame,” said Kermit Roosevelt, a law professor at the University of Pennsylvania.

“The pardon power has always been a little bit problematic because it’s this completely unconstrained power that the president has,” Roosevelt said.