January Incident

Sheriff T.S. “Tim Walsh” is the ONLY law enforcement EVER to Arrest Eric Harris and Dylan Klebold. Where has Sheriff Walsh gone?  Why was the criminal record of the boy buried in the original investigation?  Is the Sheriff hiding something?

It’s clear that the real motive for the Columbine School shootings was to get back at the cops, the sheriffs. Why was the “January Incident” never investigated? Also, newly uncovered school video filmed in the cafeteria exposes a gaping question:  

What else could be the “January Incident?”