Austin carnage now random; an arrest doesn't appear close

Austin carnage now random; an arrest doesn't appear close  ABC News "He's one step ahead": Officials frustrated after latest Austin explosion  CBS News Austin explosions have hip city on edge as serial bomber on loose  NBCNews.com LATEST: Police reopen streets roughly 24 hours after Sunday night bombing in Southwest Austin  Austin American-Statesman Allhands: What makes the Austin bombings so terrifying? It could happen to any of us  AZCentral.comFull coverage