What's the difference between inculpate and inculpated?

Inculpate

Definition:

(v. t.) To blame; to impute guilt to; to accuse; to involve or implicate in guilt.

Example Sentences:

(1) Current emphasis on quality assurance dictates reconsideration of the literature on reproducibility of histopathologic taxonomy, which has tended to inculpate pathologists as sources of variability.
(2) They didn't consider it material to their findings, but rather one that might unfairly inculpate the captain.
(3) Motortown created a furore for the way it inculpated audiences for Britain's part in the war in Iraq.
(4) The London mayor, and potential future Tory leader, Boris Johnson, writes in the Telegraph : If there is new and better evidence that inculpates Assad, I see no reason why the government should not lay a new motion before Parliament, inviting British participation.

Definition:

Example Sentences:

(1) Current emphasis on quality assurance dictates reconsideration of the literature on reproducibility of histopathologic taxonomy, which has tended to inculpate pathologists as sources of variability.
(2) They didn't consider it material to their findings, but rather one that might unfairly inculpate the captain.
(3) Motortown created a furore for the way it inculpated audiences for Britain's part in the war in Iraq.
(4) The London mayor, and potential future Tory leader, Boris Johnson, writes in the Telegraph : If there is new and better evidence that inculpates Assad, I see no reason why the government should not lay a new motion before Parliament, inviting British participation.