Hatfield Federal CourthouseColton Foley had been arrested six days ago. Two days later he had gone before a judge. Declaring Foley both a flight risk and a possible risk to the community, the judge had denied bail. Now Allison had only a little more than three weeks to give a grand jury cause to indict him for the crimes attributed to the man the media had dubbed “The Want Ad Killer.”The judge had signed Foley’s arrest warrant after Allison showed him several pieces of evidence. The first were surveillance videos taken in hotels where the three women had been found murdered. Each showed a dark-haired man wearing a baseball cap and a navy-blue Columbia jacket walking down a hotel corridor or through a hotel lobby. The second came from an Internet service provider that had tracked an e-mail sent to one victim back to Foley’s seven-story condo building. And the third was a videotape the FBI had secretly made, beginning at dawn the day before, of every man who entered or exited that building.