devices in our laboratory, these are not hoax devices. these are not hoax devices. he also warned there could be more packages, for everyone to remain vigilant and while investigators obviously a lot of attention is being paid to this van. this van is just covered in stickers, including images of president trump and vice president pence, a number of stickers critical of democratic figures and certainly critical of us here at cnn. randi kaye is in plantation florida where that arrest happened earlier this morning. we have new information on how this arrest came to be. what do you know? reporter: it s so fascinating. somehow that fingerprint was tracked to right here, auto zone in plantation, florida, not far from miami, to state road 7 where the auto zone is located.