president to davos. instead, visiting the holocaust memorial museum in washington today. the first lady then making an unannounced trip to florida. her plane arriving at the airport in west palm beach. the white house not commenting on her trip. to other news tonight. the developing story in houston at this hour. the father taken captive during a home invasion, then shot and killed as fbi agents were raiding the home. abc's marcus moore, from texas tonight. >> reporter: tonight, the fbi investigating what went wrong in the raid that left a kidnapped father dead. >> it sounded like an explosion and that was like about 3:00, 4:00 this morning. >> reporter: agents storming a house after tracking the suspects down. >> requesting ems at the location. >> reporter: the fbi admitting at least one of their agents fired a weapon in the ensuing chaos, but it's unclear if those shots killed the victim. >> a shooting incident review team will also look into the matter, as is protocol with any agent-involved shooting. >> reporter: the case started with a home invasion on wednesday in the suburb of