I don't understand why a warrant would be denied for blood. If there's PC for the arrest, I would expect the same PC to be enough for a warrant - or am I missing something?
Well, the circumstance does not seem to fit California law. It would seem that California law might have to be amended to fit misdemeanor DUIs. The problem is, IMO, SCOTUS "fixed" something that wasn't broken and has now created more problems than necessary.
1524. (a) A search warrant may be issued upon any of the following
grounds:
(1) When the property was stolen or embezzled.
(2) When the property or things were used as the means of
committing a felony.
(3) When the property or things are in the possession of any
person with the intent to use them as a means of committing a public
offense, or in the possession of another to whom he or she may have
delivered them for the purpose of concealing them or preventing them
from being discovered.
(4) When the property or things to be seized consist of any item
or constitute any evidence that tends to show a felony has been
committed, or tends to show that a particular person has committed a
felony.
(5) When the property or things to be seized consist of evidence
that tends to show that sexual exploitation of a child, in violation
of Section 311.3, or possession of matter depicting sexual conduct of
a person under the age of 18 years, in violation of Section 311.11,
has occurred or is occurring.
(6) When there is a warrant to arrest a person.
(7) When a provider of electronic communication service or remote
computing service has records or evidence, as specified in Section
1524.3, showing that property was stolen or embezzled constituting a
misdemeanor, or that property or things are in the possession of any
person with the intent to use them as a means of committing a
misdemeanor public offense, or in the possession of another to whom
he or she may have delivered them for the purpose of concealing them
or preventing their discovery.
(8) When the property or things to be seized include an item or
any evidence that tends to show a violation of Section 3700.5 of the
Labor Code, or tends to show that a particular person has violated
Section 3700.5 of the Labor Code.
(9) When the property or things to be seized include a firearm or
any other deadly weapon at the scene of, or at the premises occupied
or under the control of the person arrested in connection with, a
domestic violence incident involving a threat to human life or a
physical assault as provided in Section 18250. This section does not
affect warrantless seizures otherwise authorized by Section 18250.
(10) When the property or things to be seized include a firearm or
any other deadly weapon that is owned by, or in the possession of,
or in the custody or control of, a person described in subdivision
(a) of Section 8102 of the Welfare and Institutions Code.
(11) When the property or things to be seized include a firearm
that is owned by, or in the possession of, or in the custody or
control of, a person who is subject to the prohibitions regarding
firearms pursuant to Section 6389 of the Family Code, if a prohibited
firearm is possessed, owned, in the custody of, or controlled by a
person against whom a protective order has been issued pursuant to
Section 6218 of the Family Code, the person has been lawfully served
with that order, and the person has failed to relinquish the firearm
as required by law.
(12) When the information to be received from the use of a
tracking device constitutes evidence that tends to show that either a
felony, a misdemeanor violation of the Fish and Game Code, or a
misdemeanor violation of the Public Resources Code has been committed
or is being committed, tends to show that a particular person has
committed a felony, a misdemeanor violation of the Fish and Game
Code, or a misdemeanor violation of the Public Resources Code, or is
committing a felony, a misdemeanor violation of the Fish and Game
Code, or a misdemeanor violation of the Public Resources Code, or
will assist in locating an individual who has committed or is
committing a felony, a misdemeanor violation of the Fish and Game
Code, or a misdemeanor violation of the Public Resources Code. A
tracking device search warrant issued pursuant to this paragraph
shall be executed in a manner meeting the requirements specified in
subdivision (b) of Section 1534.