a person of interest who they named as john getreu. >> that person of interest, john getreu, had worked by following him and acquiring it from a discarded coffee cup. >> i sent that to the santa clara county crime lab. they confirmed that the dna on that item was the same dna that was underneath the fingernail clippings of leslie perlov. >> noe -- all i remember is noe was trying to get a hold of me, and all he said was, diane, we got him. >> more than 45 years after the death of leslie perlov, the santa clara county sheriff's office now believes they have the man responsible. 74-year-old jon getreu was arrested at his home in hayward yesterday. >> cold cases are never closed. we pursue them until we can find some kind of justice for every family. >> with getreu now sitting in santa clara jail accused of killing leslie perlov, investigators in neighboring san mateo county work to tie getreu to other unsolved cases. >> janet ann taylor was last seen sunday evening by a friend she had been visiting on the stanford university campus. she left about 7:00 to hitchhike home to la honda. and o