Light.

'I guess trying to lure them to a blind zone was too obvious.' Dante thought aloud. 'Maybe they just ran away after all.'

[That might be the case. Though the question remains, what is their objective?]

Worst case scenario is that the stalker worked for Eidolon, but Dante scratched the idea right away for the simple reason that they wouldn't have needed to track the bikes to find him with one of the biggest corpos in the world backing them.

'Wouldn't it have been easier to wait for me outside the police station then track me from there?'

Victor had dropped him off at a train station, where he took a ride home. If the stalker had followed him since then, they would've figured out where he lived, making everything else easier.