🔍 Yamauchi notebook diagram of phenolphthalein test area
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🔍 Physical in Bedroom Socks

Yamauchi notebook diagram of phenolphthalein test area

Diagram from Colin Yamauchi's notebook showing the approximate area of the phenolphthalein presumptive blood test on the sock ankle, marked for identification and examined during Yamauchi's civil trial testimony.

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.

Defendant's Exhibit 2190

Source proceedings (1)

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

Civil trial (1)

More in Bedroom Socks

Bedroom socks, LAPD Item 13 (physical evidence)
Pair of dark dress socks from the floor at the foot of Simpson's bed. Later found to contain blood matching Nicole Brown Simpson. Collected June 13, 1994 by Dennis Fung; no blood noted on June 29 examination; blood first observed by Yamauchi on August 4, 199…
Fox blow-up photograph series from sock examination (Civil Plaintiffs' 2393–2402)
Series of blow-up photographs derived from Plaintiffs' Exhibit 716, showing the two socks as received at the expert's laboratory, close-ups of the ankle stain and cut-out, the rectangular piece cut from sock wall 1 during the experiment, and multiple microsc…
Photomicrograph of sock interior surface — red spheroids
Photomicrograph of the inner surface of the opposite side of the sock, showing small red spherical objects encasing individual fibers, taken during the April 2, 1995 examination at Technical Associates (Taylor's laboratory). Used by the defense to argue bloo…
Crime scene photo: socks in master bedroom (People's 167/167-A)
Photograph of the socks as found in Simpson's master bedroom, showing their position on the carpet. Used across multiple witnesses to establish where the socks were located at the crime scene; a marked version (167-A) annotated with position indicators was a…
Photomicrographs of sock B stain 42B2 area (People's 289/290 series)
Series of Polaroid photomicrographs taken through a stereomicroscope of the first stain area on sock 13-B, including close-up microphotographs of stain 42B2 before it was cut out for DNA testing, with annotated versions bearing witness-drawn circles and arro…
Prosecution sock photo boards (People's 260-A, 262-A)
Photographic boards displaying sock A and sock B from LAPD item 13 with stain locations marked, used during testimony of Gary Sims and Colin Yamauchi. Sims used the board to orient the jury to the stain position designations; Yamauchi pointed out cut-out are…
Gary Sims sketches of sock B stain locations (People's 288 series)
Hand-drawn sketch by Gary Sims documenting the locations of reddish stains observed under stereomicroscope on sock 13-B on November 11, 1994, with additional notations added November 21, 1994. Introduced, displayed on the ELMO, and used to orient the jury to…
FBI sock cuttings Q206 and Q207
Physical cuttings from the sock bearing blood stains, assigned FBI evidence numbers Q206 (cutting from the edge of the sock bloodstain, tested in positive ion mode) and Q207 (swatch from the center of the bloodstain, pre-cut before Martz received it). Martz …
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🔬 Yamauchi notebook diagram of phenolphthalein test area
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