Keyword Analysis & Research: where did the term serial killer originate

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
where did the term serial killer originate	1.98	1	6167	56	42
where	1.85	0.7	6959	5	5
did	1.35	0.3	4178	47	3
the	1.38	0.2	1998	17	3
term	1.77	0.7	5489	44	4
serial	1.15	0.7	5679	4	6
killer	0.53	0.4	9120	50	6
originate	0.66	0.7	1530	4	9

Keyword	CPC	PCC	Volume	Score
where did the term serial killer originate	0.86	0.9	7255	100