How to honor the principle of first come first served?

------=_Part_31241_28237878.1172153827792
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

If you are emailed a job req and are not currently interested but then 3
weeks later start looking for a job and a different recruiter contacts you
about the same position, which recruiter should you work with? The one that
contacted you when you first looking or the one that first contacted you?

------=_Part_31241_28237878.1172153827792
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

If you are emailed a job req and are not currently interested but then 3 weeks later start looking for a job and a different recruiter contacts you about the same position, which recruiter should you work with? The one that contacted you when you first looking or the one that first contacted you?
<br><br><br>

------=_Part_31241_28237878.1172153827792--