Conversation so far:
Are there any other interesting aspects about this article?
Modern scholarship is unable to refer to the Illyrians as a unique and compact people.
What scholarship?
post-modernism, scholars.
Did this influence anything?
The specific theories have found little archaeological corroboration, as no convincing evidence for significant migratory movements.
Where did they orginate?
had arrived much earlier, during the Bronze Age as nomadic Indo-Europeans from the steppe.
Was it a mix blood line?
The impetus behind the emergence of larger regional groups, such as "Iapodes", "Liburnians", "Pannonians" etc., is traced to increased contacts with the Mediterranean and La Tene 'global worlds'.

Question: Where were they located?
Self-contained rewrite: Where were Mediterranean and La Tene located?