F.B.I. 07/16/99 DECLASSIFIED 01/15/02


DETAILS: On April 20, 1999, Eric Harris and Dylan Klebold shot and 
killed twelve students and one teacher at Columbine High School Littleton, 
Colorado. During the incident, teacher Patty Nielson placed a call to 
911 Emergency. Neilson was in the library when she placed the call. The 
911 operator answered the call stating "911" AT 11:27:47 a.m. The phone 
call lasted 26 minutes. During the call, noises including 
gunshots,explosions,screaming, and yelling can be heard. The initial backround 
noises heard come from the hallway just outside of the library. Four minutes 
and ten seconds into the call, Harris and Klebold entered the Library 
and begin shooting. They left the Library eleven minutes and forty-five 
minutes into the call. The remaining gunshots and explosions heard on 
the tape occur in the Cafeteria, Science classroom area or the hallways 
of the school.

6:09 1134 HRS
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6:15 SHOTS FIRED-HARRIS SHOOTING BERNALL
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6:23 SHOTS FIRED-HARRIS SHOOTING AT TABLE 15
6:24 YELLING "YAHOO"
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7:09 1135 HRS
7:10 DISPATCH ADVISES THEY LOST RP.
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7:17 SHOT
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7:23 UNKNOWN NOISE
7:24
7:25
7:26 SHOT
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7:38 SHOT 
7:39
7:40 SHOT "OH" KLEBOLD SHOOTING
7:41
7:42 SHOT KLEBOLD SHOOTING SCHNURR
7:43
7:44 SHOT "REB" VOICE KLEBOLD
7:45 "YEAH" VOICE HARRIS
7:46 
7:47 "SHIT YEAH"
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7:50 EIGHT CONTINUOUS SHOTS PLUS ONE SHOT- KLEBOLD SHOOTING TOWNSEND
7:51
7:52
7:53 "WHOO"
7:54
7:55 SHOT(SCREAM)
7:56 TWO SHOTS
7:57
7:58 SHOT
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8:01 SHOT
8:02
8:03 SCREAMS
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8:07 "OH MY GOD HELP ME"(SIMILAR PHRASES
8:08 REPEATED FOR SEVERAL SECONDS)
8:09 1136 HRS
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8:41 SHOT-HARRIS SHOOTING NOWLEN
8:42
8:43 SHOT-HARRIS SHOOTING TOMLIN
8:44
8:45 THREE SHOTS-HARRIS SHOOTING TOMLIN
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8:48 SHOT-HARRIS SHOOTING TOMLIN
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8:54 SHOT
8:55 TWO SHOTS(SCREAMS) SHOTS FIRED AT TABLE TWO
8:56 SHOT
8:57 FEMALE SCREAMS
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10:09 1138 HRS
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10:14 THREE SHOTS-KLEBOLD SHOOTING DEPOOTER
10:15 SHOT
10:16 SCREAM
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10:44 "REB COME HERE" VOICE OF KLEBOLD
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10:55 "REB"(INAUDIBLE) VOICE KLEBOLD
10:56 "YEAH"
10:57 "GO"
10:58 "GO"
10:59 (INAUDIBLE)
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11:04 (INAUDIBLE)"FUCKING TROUBLE." VOICE KLEBOLD
11:05 " I DON'T WANT."
11:06 "I DON'T WANT TROUBLE." VOICE OF EVAN TODD
11:07 (INAUDIBLE)
11:08
11:09 1139 HRS
11:10 
11:11 "YOU LITTLE FUCKING FAT PIECE OF SHIT." VOICE KLEBOLD
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11:14 "HEY,HEY."
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11:20 SHOT
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11:25 "LET'S DO IT THEN"
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11:32 "REB YA READY?" VOICE KLEBOLD
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11:39 SMASHING SOUND- KLEBOLD THROWING CHAIR