Normally, the perpetrator in a family abduction is located within hours or days.
From the cnn.com
It has nothing to do with reconciliation or even holding a perpetrator harmless.
From the philly.com
The perpetrator of this attack is a coward whose actions will not go unanswered.
From the metro.co.uk
The brother of Slater's partner was the perpetrator, the district attorney said.
From the cnn.com
Furthermore, I used no bad words, called anyone names, no perpetrator slandered.
From the guardian.co.uk
They believe the perpetrator to be a relatively young, inexperienced programmer.
From the newscientist.com
But in this case the alleged perpetrator is shown from the start to be innocent.
From the guardian.co.uk
This time the alleged perpetrator comes from Mr Sarkozy's own ruling UMP party.
From the telegraph.co.uk
The Israeli view is that one looks for the perpetrator, not the tool or weapon.
From the cnn.com
More examples
Someone who perpetrates wrongdoing
In the parlance of criminal justice, a suspect is a known person suspected of committing a crime.
(The Perpetrators) The Perpetrators are a rock and roll / blues band formed in 1999 from Winnipeg, Manitoba, Canada. Currently without a permanent drummer, they are J "Howik" Nowicki (guitar, vocals, drums, bass) and Ryan "ODL" Menard (bass, vocals, guitar). ...
One who perpetrates; esp., one who commits an offence or crime
(Perpetrators) Those who actively and willingly performed the crimes against humanity.
(Perpetrators) Those who do something that is morally wrong or criminal.
The entity from the external environment that is taken to be the cause of a risk. An entity in the external environment that performs an attack, i.e. hacker.
Someone who has committed a crime or a harmful action.
A person committing crimes against individuals/groups.