Cops always knew that evil Donna Adelson was driving the murder bus.

The Florida matriarch, whose family got rich via a slew of dental offices, was convicted late Thursday in the brutal execution-style slaying of her former son-in-law in 2014.

Florida State University law professor Daniel Markel was targeted for death in the driveway of his Tallahassee home in the midst of a bitter custody dispute that Adelson wanted to win badly.

She “hated” Dan Markel.

Originally from Toronto, Markel, 41, was a superstar in the field of legal academia. On the home front, it was a different matter.

His wife, Wendi Adelson, wanted to take their two boys from Tallahassee to South Florida, where her wealthy family lived.

Homicide detectives have always believed that Donna Adelson, 75, was the mastermin

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