All 3 Uses

incriminate
in
1984, by Orwell
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As often happened, they had vanished for a year or more, so that one did not know whether they were alive or dead, and then had suddenly been brought forth to incriminate themselves in the usual way.†
p. 75.7 *

incriminate = make appear guilty
For several seconds he was too stunned even to throw the incriminating thing into the memory hole.†
p. 108.2

incriminating = making appear guilty
If you want us to incriminate ourselves in any other way, we are ready.†
p. 170.4

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.