Original sentence: Taking a bus to Heathrow (and careful never to talk to avoid anyone recalling his accent), the IRA agent takes a flight to Amsterdam.Taking a connecting flight to Dublin, the IRA assassin has outwitted the British authorities.Taking the Underground to a station connecting to  a bus line to Heathrow, he goes into the bathroom and ditches his coat and gun in the bathroom, since early witnesses tend to have confused facial descriptions of criminals, the most remembered feature of the gunman was his raincoat.Thus, the assassin has decreased the chances of being identified by throwing it away
Edited sentence: Taking a bus to Heathrow, where he catches a flight to Amsterdam, from where he flies to Dublin, the IRA assassin has outwitted the British authorities.Taking the Underground to a station connecting to  a bus line to Heathrow, he goes into the bathroom and ditches his coat and gun in the bathroom