🔍 Rockingham Foyer Blood Drops — LAPD Item 12
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🔬 LAPD Item #12
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C:\DEPT103\EVIDENCE\ROCKINGHAM_INTERIOR_BLOOD\ROCKINGHAM_INTERIOR_BLOOD--ROCKINGHAM-FOYER-BLOOD-DROPS-LAPD-ITEM-12
🔍 Physical in Rockingham Interior Blood 🔬 LAPD Item #12

Rockingham Foyer Blood Drops — LAPD Item 12

LAPD Item 12 comprised blood drops and resulting swatches collected from the wooden foyer floor of Simpson's Rockingham residence. Cellmark processed the sample for RFLP analysis; witnesses reported substantial high-molecular-weight DNA without apparent bacterial degradation and PCR and RFLP profiles consistent with O.J. Simpson. Defense questioning and expert testimony raised contamination concerns based on the sample's DNA concentration and processing sequence.

Exhibit labels

How this item was marked across the four trials. The same physical item often gets different numbers in the criminal and civil trials.

Defense 1147Item 12Item no. 12Items 12 and 14LAPD item no. 12P-42 / P-43People's 12

LAPD crime-scene record

This canonical item is backed by a hand-curated LAPD collection record. The LAPD description is verbatim from the department's crime-scene log.

LAPD Item 12: Blood in Rockingham foyer
blood · Rockingham (Simpson estate)
View all 67 LAPD-collected items →

Source proceedings (39)

Every proceeding where this item was discussed. Click through to the transcript.

Criminal trial (28)

Preliminary hearing (1)

Civil trial (9)

Depositions (1)

More in Rockingham Interior Blood

Phenolphthalein blood testing at Rockingham sink and drain
Phenolphthalein presumptive blood tests conducted at Simpson's Rockingham residence, including a positive result from the master bathroom sink drain rim and negative results from the sink trap, south-wall stains, family room, and garage areas. Photographs an…
Rockingham master bathroom blood stain (Item 14)
Item 14, a blood stain from the master bathroom at Rockingham, was collected at approximately 4:40 p.m. Civil testimony also addressed transposed location measurements between documents.
Rockingham foyer blood drops close-up (People's 121)
Close-up photograph of the blood drops in the foyer of Simpson's Rockingham home, marked as People's Exhibit 121 in the criminal trial; introduced and identified by criminalist Dennis Fung and shown to Kato Kaelin and Detective Vannatter during their testimo…
Rockingham foyer banister photograph (People's 201)
Photograph of the banister inside the Rockingham foyer (People's Exhibit 201), introduced during criminalist Andrea Mazzola's testimony to explain why blood flecks on the dark wood banister would be difficult to detect visually.
Rockingham upstairs bathroom blood (Civil Item 1348)
Civil Item 1348, described in closing argument as blood from the upstairs bathroom floor at Rockingham that was collected by Mazzola and matched Simpson. It was cited to rebut Baker's claim that there was no blood upstairs.
Laser disk photos: foyer blood drops and sock collection
Laser disk photographs depicting blood spots in the Rockingham foyer and sock collection in the master bedroom; substituted as the next evidence shown to the jury while admissibility of the phenolphthalein photograph was deferred by Judge Ito.
Rockingham white carpet (stairs and upstairs)
White carpet covering the stairs and upstairs areas of Simpson's Rockingham residence, referenced in defense arguments about the absence of a blood trail inconsistent with the prosecution's theory of events.
Clothing from Simpson's Bathroom Hamper
Clothing from a hamper in Simpson's master bathroom, removed and photographed by Luper but not seized.
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The Simpson Matter
Department 103
🔬 Rockingham Foyer Blood Drops — LAPD Item 12
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