Sources:
Brenda Spencer | Murderpedia, the encyclopedia of murderers
1979 Cleveland Elementary School shooting (San Diego) - Wikipedia
Brenda-Spencer (sdpolicemuseum.com)
Brenda Spencer: The 'I Don't Like Mondays' School Shooter (allthatsinteresting.com)
40 years ago, Brenda Spencer took lives, changed lives in a mass shooting at a San Diego elementary school - The San Diego Union-Tribune (sandiegouniontribune.com)
Brenda Spencer School Shooting: I Don't Like Mondays - The CrimeWire
Documentary: "I Don't Like Mondays"
Female Criminals Podcast Episode "I Don't Like Mondays" Part 1 & 2
