I'm not saying if the messages were available then it would definitely not have gone to court.
I'm asking (as a way forward) should we have a filter system to stop cases going to court that are not going to have any prospect of a conviction? Or should all serious cases such as this go to court regardless to have the evidence heard?
For example - if there is overwhelming evidence to suggest that the victim's account is wrong or inconsistent. Say, there might be CCTV which captured the incident and it shows the victim's account is totally inconsistent - can the police discontinue the case due to the evidential difficulties? Or should it be passed to the CPS and have them make the decision to discontinue? Or should it be heard at court regardless of these evidential difficulties? This is a hypothetical incident here - I'm not basing it on anything in particular.
Police do this regularly for other crimes - should we be able to do this for crimes such as rapes?
The advantage is that this prevents the courts being overwhelmed with cases which are effectively going nowhere and allows them to bring ones with a realistic prospect of conviction in a timely manner.
Not sure about this document you mention which the victim's sign. The only ones I can think of will be their statement, medical consent form (as we need permission from them to have a statement from their doctor documenting any medical injuries from the incident). We also need their signed consent for the forensic medical procedure and their signed consent to allow support services to be able to contact them. Financial records (if relevant) may need a signed authorisation from them so the bank can access their records and provide us with statements. Like I say the phone records will either be voluntarily produced by the victim or it will go through a RIPA authority.
The first responder thing (rape trained officers). A simplified example.
So, I will be dispatched to the victim. My role is safeguarding with them as a priority. Then we need to establish where the scene is and who the suspect is. They obviously need arresting and scene protecting (which I direct others to do because of cross contamination reasons - obviously unless the circumstances mean I have no choice).
Then we get an initial account off the victim, early evidence samples (mouth wash, urine samples), seizing clothing, any other evidence such as phone messages etc - and then we take the victim for the medical examination (so long as we are in the 'forensic time window'). This is all with the consent of the victim - so they do not have to do any part of this if they don't want.
Rape trained officers are about 50/50 male to female officers on our force. A victim can request a either a male or female officer if they wish, but we tend to find that victims generally don't mind either way and don't make that specific request. They tend to explain that its the initial 15-20 minutes with an officer that's important to develop trust or a 'bond'. Once that 'bond' is established the victim will be able to tell you everything and feel comfortable in doing that. So i use this 'bonding' time by introducing myself and explaining our role and the procedure to follow. We don't usually have a partner with us and we attend the victim single crewed - usually in plain clothes and in an unmarked car.
During this 'bonding' time, the victim will share what they want to happen with this case. Some explain that they don't want to go as far as court and just want to have it reported or 'logged'. Are happy that the suspect is arrested and spend the night in the cells - but doesn't want to go through the court process later. Some want it reporting, but they don't want to go through the medical procedure. Some just want access to the support services and contact the police to get them - but if they explain to the operator that they have been raped and need support services help then we still need to log the crime, see the victim and identify/arrest the suspect.
Then beyond this, the investigation gets passed to an investigating body within the police - say CID, DV Unit, Child Abuse Unit, HBV Unit etc. Other bodies get involved - so Sex Offenders unit, Vulnerable Adults unit, Public Protection unit etc.
Sorry about the word 'bond' I know its probably not the right word - but hopefully you can see what i mean.