This is the 956th most frequent Slovenian word.
preiskavi
"Preiskavi" means "investigations" or "inquiries" in English.
Here, 'preiskavi' is also in locative case singular, being part of the temporal clause describing when the results were presented (after the investigation).
Rezultati so bili predstavljeni po preiskavi.
The results were presented after the investigation.
In this sentence, 'preiskavi' is in locative case singular, indicating the context or the circumstances under which the action took place (during the investigation).
Policija je našla dokaze pri preiskavi.
The police found evidence during the investigation.
In this sentence, 'preiskavi' is in dative case singular, showing the indirect object or the topic about which the journalists reported (on the investigation).