Exactly why would a Christian Church imply this? Didn't Paul say if Christ didn't rise then we are all (Christians) most pitiable?
1 Corinthians
15:1Now I make known unto you brethren, the gospel which I preached unto you, which also ye received, wherein also ye stand,
15:2by which also ye are saved, if ye hold fast the word which I preached unto you, except ye believed in vain.
15:3For I delivered unto you first of all that which also I received: that Christ died for our sins according to the scriptures;
15:4and that he was buried; and that he hath been raised on the third day according to the scriptures;
15:5and that he appeared to Cephas; then to the twelve;
15:6then he appeared to above five hundred brethren at once, of whom the greater part remain until now, but some are fallen asleep;
15:7then he appeared to James; then to all the apostles;
15:8and last of all, as to the child untimely born, he appeared to me also.
15:9For I am the least of the apostles, that am not meet to be called an apostle, because I persecuted the church of God.
15:10But by the grace of God I am what I am: and his grace which was bestowed upon me was not found vain; but I labored more abundantly than they all: yet not I, but the grace of God which was with me.
15:11Whether then it be I or they, so we preach, and so ye believed.
15:12Now if Christ is preached that he hath been raised from the dead, how say some among you that there is no resurrection of the dead?
15:13But if there is no resurrection of the dead, neither hath Christ been raised:
15:14and if Christ hath not been raised, then is our preaching vain, your faith also is vain.
15:15Yea, we are found false witnesses of God; because we witnessed of God that he raised up Christ: whom he raised not up, if so be that the dead are not raised.
15:16For if the dead are not raised, neither hath Christ been raised:
15:17and if Christ hath not been raised, your faith is vain; ye are yet in your sins. 15:18Then they also that are fallen asleep in Christ have perished.
15:19If we have only hoped in Christ in this life, we are of all men most pitiable.
The church didn't. Those 'theories' have all been implied by others.
There's a book out on the subject titled: Rosslyn Hoax? that should be available here in the States soon.