rob schmitt explains the role the suspect's girlfriend had in the arrest. >>> reporter: bulger now 81 was the leader of the winter hill gang when went into hiding back in 1995. he was caught in a building along with his girlfriend catherine grieg. the bus comes just one day after the fbi released an ad campaign across the country and 14 cities looking for grieg who they hoped would lead them to bulger. >> this is an announcement by the fbi. have you seen this woman? >> reporter: the fbi says this tv ad spawned a tip that led them to bulger in santa monica. they were both arrested without any trouble at a residence there. bulger was the inspiration for the leonardo decaprio move the departed. bulger was an fbi informant and former fbi agent tipped him off that he was about to be indied the for his role in -- indicted for his role in several murders. bulger and krogh are expected in a downtown los angeles courtroom today. bulger the 81-year-old faces charges including murder, extortion and money laundering. his 60-year-old girlfriend faces charges of harboring a fugitive. for cbs news,