and reacting. it's a challenge. if they're not conspiring with others and reaching out for resourc resources, it's harder to detect. >> police say there's no credible threats against tonight's event. chris? >> chris: jacqui, you talk about lone wolf attacks what are police doing to prevent those? >> christopher wray said many of those people are being radicalized online. nationwide, more than 850 terrorist domestic arrests this year. it's just october. last year more than 1,000 investigations led to 115 arrests. investigators are putting a lot of resources into online investigations. chris? >> chris: thanks, jacqui. for the first time in 95 years, baseball's champs are from the game's capitol. up next, the moments that the