All 4 Uses

incriminate
in
Early Cases Of Hercule Poirot
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In the same way, if someone else had placed them there to incriminate Parker, one would have been sufficient-the cigarette caseor the glove-again not both.†
Chpt 4 *

incriminate = make appear guilty
On the other hand, if Rupert Carrington killed her, why take the jewels which would incriminate him fatally?†
Chpt 7
Had M. de Saint Alard been the criminal, he would never have kept an incriminating bottle.†
Chpt 7

incriminating = making appear guilty
He is a strange man-careful, since he marks his handkerchiefs and wipes the pistol with which he has committed the crime-yet careless since he loses his handkerchief and does not search for a letter that might incriminate him.†
Chpt 9

incriminate = make appear guilty

Definitions:

(1) (incriminate)
to make someone appear guilty
(2) (meaning too rare to warrant focus)
More rarely (and more archaically), incriminate can mean to bring an accusation against.