support, vigilance and patience in what is what they call a complex and ongoing investigation. that certainly does not suggest they're on the verge of making any arrests. as you said the 19-year-old person of interest taken into custody on friday is not considered a prime suspect. he has been jailed on unrelated charges. also somewhat frustrating to authorities, there hasn't been an incident confirmed since thursday. that, in itself, is not completely unusual. we had a stretch from august 31st to september 6th without a shooting, which speaks to the random nature of all of this. authority authorities saying that there are at least three different sort of motives here or patterns of activity. some shootings involving bullets, others involving bbs or pellets and at least one incident involving road rage. it is continuing to somewhat frustrate the authorities as they reach out to the public for help and continue offering a $20,000 reward as yet, ari,