The Facts of the Case

The killer left a note: 'You caused me to do this."

Virginia Tech Students Took Cover Behind Desks, Jumped From Windows

A Day of Hell: Details Emerge of Virginia Tech Campus Where Rampage Took Place

The Dead, The Injured and the Investigation So Far

Medical Examiner: Va. Tech Gunman Died of Gunshot Wound to Head, Caused More Than 100 Wounds

Vignettes From Virginia Tech As Students Return to Campus; Classes to Resume Monday

Investigators offered a detailed timeline, but still do not know Cho's motive.

Cho Obsessively Downloaded Music and Had an Imaginary Girlfriend, Roommates Say

VIRGINIA TECH SHOOTING Murder Weapon Not the First Sold by Gun Shop Roanoke Firearms, the store where Seung-Hui Cho bought the murder weapon he would use in his Virginia Tech...

Seung-Hui Cho's Parents Lived the Immigrant Dream, So What Happend to Their Son?

Seung-Hui Cho's Sister, a Princeton Graduate, Has Made Contact With a Campus Spiritual Adviser, Reports Princeton's Daily Newspaper

Federal Law Forbids 'Mental Defective' from Buying a Gun, but By Virginia's Definition, Va. Tech Shooter Didn't Qualify

Professors in the English department knew the killer needed help.

Korean Kin Feel Shame Over Seung-Hui Cho's Actions

Documents Suggest Contact With Victim; University Medical Records

Report Claims He Would Violently Punch Sister

A Roanoke woman says she told FBI killer was "dorky," "timid" and a "pushy."

Cho mailed his disutrbing missive to the news network.

Seung-Hui Cho's Sister, a Princeton Graduate, Has Made Contact With a Campus Spiritual Adviser, Reports Princeton's Daily Newspaper

Many in the Virginia Tech community are chafing at the ongoing media coverage.

Lawsuits likely to target schools, clinics, but they may not succeed.

The Virginia Tech community must consider the fate of Norris Hall.

Investigators are combing through computer file in search of a possible motive.

Unabomber's brother, David Kaczynski, identifies with the family's plight.

A professor and students who survived the massacre will write about it.

Graduation day at Virginia Tech balanced sorrow and celebration.

A government report looks at gaps in school district emergency management plans.

'April 16th: Virginia Tech Remembers' is the first major book on the shootings.

Schools must anticipate the possibility of violence.

Predictably, entrepreneurs are eager to make a profit on the massacre.

President Bush spoke to the grieving Virginia Tech community.

Police told Virginia Tech about killer's court-ordered hospitalization.

Killer was ruled mentally ill by a judge -- and then let go.

Cho bought clips for a gun like one used in the massacre.