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perpetrator

In a sentence
Polícia pozná meno páchateľa.
The police know the offender's name.
Súd odsúdil páchateľa na dva roky väzenia.
The court sentenced the offender to two years in prison.
Svedkovia pomohli identifikovať páchateľa.
Witnesses helped identify the perpetrator.
Páchateľa zadržali podľa kamerového záznamu.
They detained the perpetrator based on camera footage.
Source
Slovak National Corpus (SNK) ↗English gloss from the frequency publish path. Hand-reviewed example sentences.
Full attribution on References.