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The evidence was sufficient to establish chain of custody of blood drawn from defendant

State v. Jacob A. Martinez, 2015AP272, District 2, 8/5/15 (one-judge decision; ineligible of publication); case activity (including briefs)

Though there were multiple tests of the blood drawn from Martinez after his arrest for OWI—one for ethanol, two for THC (the second necessitated by the invalidity of the results of the first test)—the record and testimony are sufficiently complete “to render it improbable that the original item has been exchanged, contaminated, or tampered with,” State v. McCoy, 2007 WI App 15, ¶9, 298 Wis. 2d 523, 728 N.W.2d 54 (2006); thus, a sufficient chain of custody was established and the circuit court didn’t err in admitting the test results.

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