marc santora of "the new york times" joins me to discuss this developk story. good to sigh. you got pulled into this on saturday. after the explosion in chelsea happened, before they linked it back to seaside heights. >> right, saturday night we have this explosion under a dumpster in chelsea on a relatively done diskrept street, 23rd stroat and then discover a second pressure cooker bomb which they didn't know if it was a real bomb or not. in the first few hours they weren't really lipping it to something that happened earlier in the day on the jersey shore where they had a pipe bomb go off in a garbage can. an when we looked at the damage if that, it looked relatively minor. nobody thought too much about it but when we had the bombing in chelsea, people started asking are they connected. and then over the course of the day on sunday they started to connect the two and learn more and more troubling things that i think added a lot of urgency both to the investigation and the manhunt that ended today. >> what do we know right now about these devices? >> so the two devices in