Find a control inside a Telerik control

I'm having some issues finding a control nested 2 levels deep.

My primary container is a RadPageView and I need to find a control inside of a Formview nested inside of that. My target is the following control:

 <asp:Image ID="NPPhoto" runat="Server" CssClass="detailPhoto" />

I placed my structure in the code snippet section. I have the following code, but it's not working.

        Dim imageURL As String
        If (UserID = "" Or Not System.IO.File.Exists(Server.MapPath("~/images/profile_images/" & UserID & ".jpg"))) Then
            imageURL = "~/images/notavailable.gif"
        Else
            imageURL = "~/images/profile_images/" + UserID + ".jpg"
        End If
        Dim Photo As Image = CType(NPProfile.FindControl("NPPhoto"), Image)
        Photo.ImageUrl = imageURL

<telerik:RadMultiPage ID="RadMultiPage1" runat="server" SelectedIndex="3">
            <telerik:RadPageView ID="RadPageView1" runat="server">
                <asp:FormView ID="NPProfile" runat="server">
                    <ItemTemplate>
                    <div id="Desc_Photo">
                                <asp:Image ID="NPPhoto" runat="Server" CssClass="detailPhoto" />
                            </div>
                        <div class="Desc_Container">

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