When

a

dog

is

searching

for

someone,

it

may

be

given

an

article

of

clothing

or

something

similar

that

belongs

to

the

person

and

has

been

close

to

their

body.

The

dog

can

smell

the

person’s

scent

on

the

article.

The

dog

is

then

able

to

follow

this

scent

to

search

for

the

person.