🔍 Phenolphthalein blood testing at Rockingham sink and drain
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🔍 Physical 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 and testimony from criminalists Fung and Mazzola documented the testing; the positive drain-rim result and negative trap result were sharply disputed, with admissibility argued through multiple court sessions.

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.

People's 168Plaintiffs' 2138Plaintiffs' 2140

Source proceedings (10)

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

Criminal trial (8)

Civil trial (2)

More in Rockingham Interior Blood

Rockingham foyer blood drops (LAPD Item 12)
Blood stain in the foyer of Simpson's Rockingham home. Multiple drops were collected from the wooden floor as LAPD Item 12; PCR and RFLP DNA analysis matched O.J. Simpson at all five probes with frequencies ranging from 1 in 170 million to 1.2 billion. Defen…
Rockingham master bathroom blood stain (LAPD Item 14)
Blood stain in Simpson's Rockingham bathroom. Collected as LAPD Item 14 from the master bathroom at approximately 4:40 p.m. on June 13, 1994; civil records noted a transposition of location measurements between documents. Referenced alongside foyer drops as …
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 photograph (People's 112)
Photograph of the Rockingham foyer interior marked as People's Exhibit 112 in the criminal trial, showing the entry area where a criminalist evidence tag marks apparent blood drops; introduced during testimony of Kato Kaelin and Detective Vannatter.
RFLP autoradiograph films, Rockingham and Bundy (People's 257)
RFLP autoradiograph films comprising People's Exhibit 257-A through 257-F (excluding 257-C), showing DNA banding patterns for items 52 (Bundy walkway), 78 (Goldman's boot), and 12 (Rockingham foyer) alongside known reference samples and controls; displayed o…
Rockingham Interior Biological Evidence diagram (People's 169)
Diagram titled 'Rockingham Interior Biological Evidence,' introduced as People's Exhibit 169, showing the locations of LAPD biological evidence items 12 (foyer stains), 13 (socks), and 14 (master bathroom stain) within the Rockingham residence.
Rockingham DNA test results board (People's 261)
Posterboard summarizing Rockingham DNA test results (People's Exhibit 261), on which Dr. Robin Cotton wrote PCR and RFLP frequency ranges for items 7 (Rockingham driveway stain) and 12 (Rockingham foyer stain) into designated columns during her criminal tria…
RFLP DNA Analysis results posterboard (People's 570)
Posterboard titled 'Results of RFLP DNA Analysis' (People's Exhibit 570) listing DNA samples from the glove, Rockingham foyer, socks, Bundy walkway, and rear gate, with probe counts and non-excluded individuals; introduced during Dr. Gerdes's cross-examinati…
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🔬 Phenolphthalein blood testing at Rockingham sink and drain
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