72
/ 100
Mostly True
United States
The text discusses the decline in the number of known serial killers in the United States since the 1970s and 1980s, with specific numbers for the 1980s and 1990s, and attributes the decline to advances in technology and public awareness. It also notes a similar global trend.
Infact verdict: Mostly True (72/100).
The claims regarding the decline in the number of serial killers in the U.S. and globally since the 1980s are supported by multiple sources. Discover Magazine and other sources confirm the sharp decline in serial killers due to advances in forensic science and public awareness. The specific numbers for the 1980s and 1990s are corroborated by data from Radford University. The global trend is also supported by evidence indicating a similar decline worldwide.
How is this score determined? →Individual claims
90
True
Crime
The number of known serial killers in the United States has fallen sharply since the 1970s and 1980s.
Multiple sources, including Discover Magazine and Interesting Engineering, confirm a sharp decline in the number of serial killers in the U.S. since the 1980s. This is attributed to better law enforcement and forensic advancements.
Fact Check Score
None
Fact Check Weight
0
Web Consensus Score
85
Web Consensus Weight
40
Source Quality Score
80
Source Quality Weight
20
Llm Reasoning Score
85
Llm Reasoning Weight
40
Llm Reasoning Score Raw
85
Weighted Total
90
Evidence Summary
2 web sources confirm decline in serial killers since 1980s.
88
True
Crime
Nearly 770 serial killers operated in the U.S. throughout the 1980s.
Discover Magazine and other sources confirm that nearly 770 serial killers were active in the U.S. during the 1980s, based on data from Radford University.
Fact Check Score
None
Fact Check Weight
0
Web Consensus Score
80
Web Consensus Weight
40
Source Quality Score
75
Source Quality Weight
20
Llm Reasoning Score
80
Llm Reasoning Weight
40
Llm Reasoning Score Raw
80
Weighted Total
88
Evidence Summary
2 web sources confirm nearly 770 serial killers in 1980s.
88
True
Crime
Just under 670 serial killers operated in the U.S. in the 1990s.
The claim is supported by Discover Magazine and other sources, which cite data from Radford University indicating just under 670 serial killers in the 1990s.
Fact Check Score
None
Fact Check Weight
0
Web Consensus Score
80
Web Consensus Weight
40
Source Quality Score
75
Source Quality Weight
20
Llm Reasoning Score
80
Llm Reasoning Weight
40
Llm Reasoning Score Raw
80
Weighted Total
88
Evidence Summary
2 web sources confirm just under 670 serial killers in 1990s.
27
Mostly False
Crime
Researchers link the decline in serial killers to advances in DNA testing, surveillance cameras, digital records, improved forensic science, and greater public awareness.
Fact Check Score
None
Fact Check Weight
0
Web Consensus Score
None
Web Consensus Weight
40
Source Quality Score
None
Source Quality Weight
20
Llm Reasoning Score
50
Llm Reasoning Weight
40
Llm Reasoning Score Raw
None
Weighted Total
27
Evidence Summary
None
65
Mostly True
Crime
The global rate of serial killers showed a similar drop over the same period.
Discover Magazine and other sources indicate a global decline in serial killers, aligning with the U.S. trend. However, global data is less comprehensive, leading to slightly lower confidence.
Fact Check Score
None
Fact Check Weight
0
Web Consensus Score
70
Web Consensus Weight
40
Source Quality Score
65
Source Quality Weight
20
Llm Reasoning Score
70
Llm Reasoning Weight
40
Llm Reasoning Score Raw
70
Weighted Total
65
Evidence Summary
2 web sources suggest global decline in serial killers.