Evening star. [volume] (Washington, D.C.) 1854-1972, 1930-10-17
DEFENSE TO RELY
. ON MICROSCOPE TO
ACQU|T CAMPBELL
Smith Plans to Allow Jury
to Make Own Tests of
Death Bullets.
PROCEDURE PRECEDENT
IN JURISPRUDENCE HERE
Defendants Counsel Says DR.. Ham
ilton Will Be One of Most
Important Witnesses.

Microscopic examination by the jury
of the bullets which killed Mary Baker
probably will mark the murder trial Of
Herbert M Campbell, beginning in Dis
trict Supreme Court Tuesday, 1t was
learned today.
Charles Henry Smith Of Alexandria,
chief of defense counsel, disclosed this
procedure-virtually unheard of in the
history or Jurisprudence here-would
constitute one of the outstanding weap-
ons in the fight to win generation for
his client.
Not only do we propose to use q
microscope in the actual trial." Smith
declared, but we intend to send the
instrument to the jury room with the
death and test bullets in order that the
jurors may make additional examina-
lions while they deliberate If they care
to. am confident that this first-hand
information, coupled with our other
evidence and testimony, will result In
a prompt verdict Of not guilty"
Smith said the microscope would be
injected into the trial while DR.. Albert
H. Hamilton of Auburn, N. Y, micro
chemist, is on the stand.
DIR. Hamilton to Aid Jury.
''Dr. Hamilton" the lawyer explained,
will tell the jurors what to look for.
He will point out that none of the 20
marks left on the bullets which caused
the death Of Miss Baker correspond
with situations left on test bullets fred
from Campbells pistol, proving his
weapon was not used in the Staying IS
charged by the Government.
"The marks on the bullets are made
so easily visible by the powerful micro
scope we will use even a child could
understand their great significance. No
expert knowledge Is required. 1t Is all
quite simple. You merely peer through
the microscope and the whole thing Is
as clear to you as writing on wall.
"Dr. Hamilton. our witness, VIII make
no photographs of the bullets. We
don't want the jury to think this whole
study of bullet examination involves
trick photography. We want them TO
see the actual bullets with their own
eyes" ~
Smith said the use of microscopes
at trials had been permitted in other
jurisdictions, although he had found no
District decisions on the subject. He
added he anticipated experiencing no
trouble in obtaining authority to en-
ploy the instrument.
Expert to BE Main Witness.
The defense attorney also secuted re-
ports that DR.. Hamilton would not be
called on to testify for Campbell.
''Dr. Hamilton will be one of our most
important witnesses" Smith declared.
Discussing the discovery by DR.. Ham
ilton of blood stains in parasol carried
by Miss Baker at the time of her death,
Smith said no effort would be made TO
have the spot analysed prior to the
trial and probably not even then.
Smith announced yesterday that he
planned to write to William H. Collins,
an assistant United States attorney, de-
handing the prosecution to produce at
the trial the negatives of photographs
to be submitted to the jury by Govern
ment balliStic experts. Collins said the
negatives would be made available.
1--WE have nothing to hide" the pros
ecutor declared.
Completing his tests of the Campbell
pistol and death bullets, DR.. Hamilton
went to Oak Grove, Va, yesterday TO
examine the automobile in which Miss
Baker was last seen alive. The girls
father, DR.. Thomas D. Baker was away
from home. DIR. Hamilton decided TO
return to Oak Grove Sunday.