Amaral and the dogs

[slartibartfast]

Perhaps you could help me on this one.

If a car is air tight and all the windows are sealed as are the doors.

How can you smell odours from outside the vehicle  ?

Liquids, vapours and gases again.

[stephen25000]

Liquids, vapours and gases again.

Indeed.

I suggest to test her beliefs, sadie drives by a sewage plant with the doors closed and windows sealed. *&*%£

[misty]

Perhaps you could help me on this one.

If a car is air tight and all the windows are sealed as are the doors.

How can you smell odours from outside the vehicle  ?

I never claimed a car was airtight. There are air-vents on the dashboard, aren't there and the smell of burning brakes at 70mph is one not to be forgotten.
However, I would claim that a door seal is watertight so I'm at a bit of a loss to understand why Eddie barked at it.

[stephen25000]

I never claimed a car was airtight. There are air-vents on the dashboard, aren't there and the smell of burning brakes at 70mph is one not to be forgotten.
However, I would claim that a door seal is watertight so I'm at a bit of a loss to understand why Eddie barked at it.

Diffusion.

[Carew]

Quite no one knows anything for sure, hence the alerts are useless, aren't they?

An investigative tool is never useless. The alerts and forensic results exist as part of the investigation.

Alerts leading to inconclusive forensic results are what we have.

[misty]

Firstly the alert by Eddie at the hire car does not necessarily begin and end with the key fob.

Secondly a blood alert by Eddie did not rule out a cadaver one.

How do you know that the hand which held the key did not come into contact with a cadaver?

You don`t know.

The car boot was stripped to find forensic evidence supporting Keela's alert there.
I asked when & where  KEELA first alerted to the key fob. Was it before or after Grime produced it from the door pocket in the same "rabbit from a hat" fashion Cuddlecat appeared out of the cupboard?

[Alfred R Jones]

An investigative tool is never useless. The alerts and forensic results exist as part of the investigation.

Alerts leading to inconclusive forensic results are what we have.

I didn't say the tool (dogs) were useless I said the alerts were, and they are because they tell us nothing, we still after all these years of discussion have no real knowledge of what caused the dogs to alert.

[misty]

Diffusion.

Do you think a stationary closed  vehicle in a windless environment can produce a concentration gradient sufficient to shift those minute particles of blood on the key through the seal?

[stephen25000]

Do you think a stationary closed  vehicle in a windless environment can produce a concentration gradient sufficient to shift those minute particles of blood on the key through the seal?

Have you been googling ?

 

[Carew]

I didn't say the tool (dogs) were useless I said the alerts were, and they are because they tell us nothing, we still after all these years of discussion have no real knowledge of what caused the dogs to alert.

The alerts were what led to the forensic samples being recovered for analysis.

Results were inconclusive.....not non existent......(and no pig got a mention in the forensic report.)

[misty]

Have you been googling ?

Me? I've been to a Sublime Science party. I know everything there is to know. 

(but perhaps, as the expert,  you could answer in layman's terms so those with watertight car door seals can understand)

[Carew]

The car boot was stripped to find forensic evidence supporting Keela's alert there.
I asked when & where  KEELA first alerted to the key fob. Was it before or after Grime produced it from the door pocket in the same "rabbit from a hat" fashion Cuddlecat appeared out of the cupboard?

My points still stand.

Nothing you say changes them......(and I can read the name Keela without it being yelled.)

[Carew]

Do you think a stationary closed  vehicle in a windless environment can produce a concentration gradient sufficient to shift those minute particles of blood on the key through the seal?

Residual Cadaver odour may have triggered the alert by Eddie at the door regardless of any blood on the key.

[Alfred R Jones]

The alerts were what led to the forensic samples being recovered for analysis.

Results were inconclusive.....not non existent......(and no pig got a mention in the forensic report.)

you're being facetious again.  None of the results came anywhere close to suggesting a dead body had been in contact with any of the McCanns property or possessions, hence the alerts themselves prove nothing, are worth nothing, and some people should really try and come to terms with this fact, difficult though it may be for them.

[misty]

My points still stand.

Nothing you say changes them......(and I can read the name Keela without it being yelled.)

Your point doesn't really stand, does it?
If the boot had to be stripped so Keela could pinpoint the precise point of the human residual deposits, how could Grime be so sure that both Eddie had marked the key rather than another part of the driver's area without carrying out the same procedure? Simply showing both dogs indicated the bloodied key in a bucket of sand does not negate the possible presence of residue in the close proximity to the door compartment. Unless you knew it was only on the key.