简介：Several options, depending on the desired nuance of the rewrite:
**Option 1 (Focus on the unusual partnership):**
```html
A seasoned detective seeks the unsettling assistance of notorious serial killer Ted Bundy, currently behind bars, in a desperate bid to apprehend the elusive Green River Killer.
```
**Option 2 (Emphasis on the high stakes):**
```html
In a high-stakes game of cat and mouse, a detective turns to the imprisoned mind of Ted Bundy for help in tracking down the infamous Green River Killer.
```
**Option 3 (More dramatic):**
```html
To catch a killer, a detective makes a pact with the devil. He consults with the incarcerated Ted Bundy, hoping the madman's twisted insights can lead him to the Green River Killer.
```
**Option 4 (Slightly more concise):**
```html
A detective's desperate pursuit of the Green River Killer leads him to an unlikely source: the imprisoned Ted Bundy.
```
These options all change the wording while retaining the core meaning of the original sentence. The best option will depend on the context where this will be used.