Complex sentence: Police addressed rumors that implied Spierer may have overdosed and those with her may have hidden the body to avoid criminal charges, acknowledging that they have not ruled it out, but they stressed that there were other possibilities, such as abduction by a stranger.
Split into simpler sentences: Police addressed rumors that implied Spierer may have overdosed and those with her may have hidden her body to avoid criminal charges. The police also acknowledged that they have not ruled out other possibilities, such as abduction by a stranger.