where did the term serial killer originate

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
where did the term serial killer originate	0.71	0.8	8249	86	42
where	1	0.7	510	23	5
did	0.43	0.9	7355	9	3
the	0.2	0.5	6327	95	3
term	0.37	0.3	4280	42	4
serial	1.33	0.9	3973	22	6
killer	0.46	0.1	7282	36	6
originate	0.69	0.7	6488	13	9

Keyword	CPC	PCC	Volume	Score
where did the term serial killer originate	0.33	0.4	685	61
when was the term serial killer coined	1.09	1	4828	87
who invented the term serial killer	0.05	0.3	220	93
who coined the term serial killer	0.42	0.6	2372	84
the term serial killer	1.82	0.1	6248	69
serial killer term coined	0.79	0.6	6028	53
when was the first serial killer	1.78	0.4	2552	86
the history of serial killers	1.97	0.2	9548	74
the first serial killer in history	1.45	0.6	7834	98
when was serial killer coined	0.76	0.4	8453	10
why are they called serial killers	0.78	0.8	9904	22
why are serial killers called serial killers	1.94	0.7	2408	77
when did serial killers begin	1.36	0.6	9744	46
earliest known serial killer	0.37	0.9	2059	73
the history of serial killers in america	1.62	0.4	9935	95
how is serial killer defined	0.98	0.6	2131	31
why do they call them serial killers	1.65	0.6	425	54