Bonjour,
Réponse :
The victim was found in the library
Death was caused by head trauma : the fatal blow was delivered by the killer
A bloody wrench was recovered near the stables
Footprints were also discovered at the crime scene
A tall man was seen running
An identikit was made earlier by our sketch artist.
Explications :
PASSIF
BE ( conjugué au temps voulu ) + participe passé
Ici le texte est au prétérit on utilisera donc was/were + participe passé