Here is the transalation of the ATC between TWR and SLI673, these guys created more than just taking off with out clearance.. a traffic in final had to abort landing...
0000 TWR: SLI673 roll to RWY02, hold short.
0003 SLI673: hold short RWY02.
AT 0050 TWR authorize a helicopter traffic for approach to land in the executive platform.
0059 TWR: 673 you were not authorize to take off, abort take off.
0108 TWR: 673 you were only authorize to hold short, RWY02
0113 SLI673: Negative.
0108 TWR: 673 make a 180 on RWY and return to position RWY02
0113 SLI673: 180 on RWY back to position RWY02, and yes, for sure we were authorize to take off sir, apologize, but we were authorize. We are returning so we can take off again form RWY02 (looks to be the other pilot, perhaps Captain)
0137 TWR: 673 if you want exit via R and then roll to position RWY02, we will verify the ATC recordings and I’m sure we only authorize hold short.
0113 SLI673: please do so.
0232 TWR: SLI673 RWY02 cleared to take off, we appreciate if you do nto delay as we have traffic on short final.
0316 SLI673: we need to evacuate runway, we need to reconfigure our FMC
0323 TWR: Then roll to KILO, left on K and evacuate RWY02
0329 SLI673:we are actually ready, if you clear us for take off
0331: TWR: NEGATIVE, traffic in final… now asking it to abort landing …. Evacuate RWY VIA KILO
0329 SLI673: ROGER, we will evacuate via KILO