<DOCUMENT>
<TYPE>EX-99.N
<SEQUENCE>9
<FILENAME>a2095632zex-99_n.txt
<DESCRIPTION>EXHIBIT 99.N
<TEXT>

<Page>

               INDEPENDENT AUDITORS' CONSENT

We consent to the use in this Pre-Effective Amendment No. 2 to the
Registration Statement of BlackRock Insured Municipal Income Trust
(Registration No. 333-100951) of our report dated October 25, 2002, relating
to the financial statements of BlackRock Insured Municipal Income Trust as of
October 21, 2002 and for the period then ended in the Statement of Additional
Information which is part of such registration statement.

We also consent to the reference to our Firm under the heading "Experts" in
the Registration Statement.

/s/ Deloitte & Touche LLP

Boston, Massachusetts
December 6, 2002

</TEXT>
</DOCUMENT>
