[Campion]

While there is nobody on earth with the authority to remove a Pope, some canonists believe that, if it were established that a Pope was a heretic, he could be “removed” by the College of Cardinals, who would simply recognize that he had already removed himself from office by his heresy.

[narses]

More - as some believe exists in the case of the current anti-pope, the conclave was improper the election may be a nullity.

[ealgeone]

While there is nobody on earth with the authority to remove a Pope, some canonists believe that, if it were established that a Pope was a heretic, he could be “removed” by the College of Cardinals, who would simply recognize that he had already removed himself from office by his heresy.

The Roman Catholic Canon Lawyer in the article says no.

It's an interesting situation to be sure.

[Mark17]

if it were established that a Pope was a heretic, he could be “removed” by the College of Cardinals,

I admit, the only things I know about Frank, come from FR threads, that bad mouth him. Has it been established by the collage of cardinals, that Frank is a heretic? Are they silent on the matter?